DAVID TONG, M.D.
Osteopathic Medicine at Camden Hill Rd, Lawrenceville, GA

2009016, Jul 2, 2009

Dec 27, 2007

12/005587

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

E05B 37/02

70 25

A self assemblage combination lock comprising one set or multiple sets of combination ring consists of a combination lock with one set or multiple sets of locking device. Its locking device has dual function of locking. The main function is to lock something and the other function is to lock itself and it is locked. It is disassemble and reassemble by its user. User can disassemble it and changes the sequence of combination rings or replaces the existing combination ring with his/her favorite combination with letters of alphabet or number. The self assemblage combination lock comprising one set or multiple sets of combination ring locks itself when the lock is locked and unlock itself when the lock is unlocked. Therefore it is disassemble and reassemble.

2009016, Jul 2, 2009

Dec 29, 2007

12/006002

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

B42F 1/02

24 679

A blade paper clip of a variety shape with a shorter front blade and a longer fenestrated back blade consists of a shorter front blade and a longer fenestrated back blade. The shorter front blade and the longer fenestrated back blade are connected together at their apex by shoulder or shoulders. It can be made of steel or plastic. It also can be of a variety of shape for fun or for easily locating the stored documents. It also can be of a variety of color. The width of the shorter front blade can be equal to or wider than that of the longer fenestrated back blade. The long fenestrated back blade has a window large enough to admit a finger tip to facilitate opening the blade paper clip.

2009018, Jul 23, 2009

Jan 22, 2008

12/009648

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

B63C 11/16

12820111

A snorkel with one-way breath tube comprises one J-shaped inhalant breath tube, one one-way valve inlet tube, one mouth piece, one one-way outlet tube and one exhalant breath tube. A snorkel with one-way breath tube allows air to flow in one direction. A swimmer inhales fresh air from J-shaped inhalant breath into his/her lung through one-way valve inlet tube and mouth piece. A swimmer exhales air from his/her lung into water through mouth piece, one-way valve outlet tube and exhalant breath tube. An extended long breath tube can attach onto J-shaped inhalant breath tube to allow swimmer swim or dive in deeper water. An extended long breath tube also can attach onto the exhalant breath tube to allow swimmer to exhale easily in deeper water.

2009016, Jul 2, 2009

Dec 31, 2007

12/006131

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

B42F 1/02

24 679

A paper clip with dual central wire loops is made of wire and consists of two central wire loops with or without one mutual central stem in the center. User can grasp it at either end and uses it like using Jem clip or pushes up the central mutual stem if there is any to open one of the two central wire loops to clip papers.

2009016, Jul 2, 2009

Dec 27, 2007

12/005456

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

E04H 4/16

15 17

A swimming pool sweeper powered by high speed water current created by high pressure water of faucet comprises a wheeled main suction stand that contains a inner chamber to let input high pressure water of faucet run through and to pass through multiple small holes to create high speed water current just like a water spray gun does. The high speed water current in a tube creates a suction power to suck debris from the bottom of swimming pool into a collecting mesh bag. It does not use electric motor to create suction power.

2009019, Aug 6, 2009

Feb 5, 2008

12/012674

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

A47K 13/10

42461

Toilet seat with built-in lift apparatus comprises a toilet seat that has built-in long pivot-rod whose each end has installed a small gear, a U-shaped lever whose each end has installed a large gear each and a reverse U-shaped plate fastener that has two side-wings. The U-shaped lever is fastened onto side-wings of U-shaped plate fastener. The toilet seat and the plate fastener are fastened onto toilet with a pair of bolts. Both small gears and large gears catch snugly each other. When large gears rotate clockwise small gears rotate counter clockwise and vice versa. Man steps downward the U-shaped lever to lift toilet seat and releases slowly U-shaped lever to lower toilet seat.

2009016, Jul 2, 2009

Dec 29, 2007

12/006001

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

B25B 9/00

294 992

Chopsticks with a magnetic open device consists of a pair of chopsticks that each chopstick has installed a magnetic disc. The polarity of the magnetic discs of chopsticks is properly arranged to let chopsticks attract each other and to form a about 30 degrees of angle to facilitate grasping foods.

2009018, Jul 30, 2009

Jan 30, 2008

12/011802

Kun Yuan Tong - Suwanee GA, US
David Tong - Atlanta GA, US

A47K 13/10

42463

Lift apparatus for toilet seat consists of a stand that can be fixed onto the top of toilet, a set of leverage levers and a J-shaped hook. Lift apparatus for toilet seat is installed on the top of a toilet for lifting toilet seat. Man can step on lever to elevate toilet seat when he urinates to prevent toilet seat from getting wet.