ANDREW P DEMKO
Vehicle Board in Wampum, PA

License number
Pennsylvania MV057859L
Category
Vehicle Board
Type
Vehicle Salesperson
Address
Address
Wampum, PA 16157

Professional information

Andrew Demko Photo 1

Dual Handle Safety Folding Knife

US Patent:
RE43908, Jan 8, 2013
Filed:
Nov 1, 2010
Appl. No.:
12/806515
Inventors:
Andrew Demko - Wampum PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
B26B 3/06, B26B 11/00, F41B 13/02, F41C 27/18
US Classification:
30153, 30154, 30340, 30157, 30180, 30160, 7118
Abstract:
An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.


Andrew Demko Photo 2

Multiple Dart Blow Gun Projectile Holder

US Patent:
8096292, Jan 17, 2012
Filed:
Mar 24, 2010
Appl. No.:
12/661776
Inventors:
Andrew Demko - Wampum PA, US
Michael T. Wallace - New Castle PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
F41B 1/00
US Classification:
124 62
Abstract:
A multi-dart blow gun projectile holder that provides for insertion and launching of multiple blow gun darts from a blow gun. The projectile holder has dual hollow open engagement cones secured together in oppositely disposed relation to one another. Multiple wire darts are selectively positioned by their base in one of said cones while the remaining cone imparts an air seal within the blow gun under user applied air pressure propelling and holding the position darts as they travel out of the blow gun during use.


Andrew Demko Photo 3

Dual Handle Safety Folding Knife

US Patent:
7676930, Mar 16, 2010
Filed:
Jun 12, 2007
Appl. No.:
11/811661
Inventors:
Andrew Demko - Wampum PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
B26B 3/06, F41B 13/02, F41C 27/18, B26B 11/00
US Classification:
30153, 30154, 30340, 30157, 30160, 7118
Abstract:
An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.


Andrew Demko Photo 4

Locking Device For A Folding Knife

US Patent:
7469476, Dec 30, 2008
Filed:
Apr 3, 2007
Appl. No.:
11/732006
Inventors:
Andrew Demko - Wampum PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
B26B 3/06
US Classification:
30161, 30160
Abstract:
A folding knife having an improved locking mechanism that keeps the knife in an open extended use position until specific close actions are initiated. The improved locking mechanism provides a safety pin that is secured within the frame elements so as to be positioned between the knife blade and the free end of a locking bar that is spring urged thereagainst imparting improved force transfer locking structure thereto with wear adjustably pivot engagement points of the locking mechanism under spring urged locking engagement.


Andrew Demko Photo 5

Stun Projectile For A Blow Gun

US Patent:
8123637, Feb 28, 2012
Filed:
Feb 22, 2010
Appl. No.:
12/660114
Inventors:
Andrew Demko - Wampum PA, US
Michael T. Wallace - New Castle PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
F42B 6/00
US Classification:
473578, 124 62
Abstract:
A stun dart having a solid impact head with a conical shaped tail portion interconnected by a solid cylindrical elongated body. The impact head has a contoured front surface with intersecting grooves and a tapered trailing body surface to impart flight stability and maximum travel distance and impact delivery to the target.


Andrew Demko Photo 6

Folding Knife Lock

US Patent:
7941927, May 17, 2011
Filed:
Dec 10, 2007
Appl. No.:
12/001045
Inventors:
Andrew Demko - Wampum PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
B26B 1/04, B26B 1/00
US Classification:
30161, 30157
Abstract:
A folding knife having a movable locking element that locks the blade in open position and retains the blade in secure closed position within an integrated spaced parallel monolithic handle frame member. A spring-urged locking retainment arm engages corresponding parallel portions of the blade shank when in respective locked open and locked closed positions. Sliding longitudinal displacement of the retainment arm allows for progressive engaged rotation of the blade shank about a pivot mounting point to a fully closed and locked position against two blade shank engagement points by the locking arm.


Andrew Demko Photo 7

Implement Scabbard

US Patent:
8196788, Jun 12, 2012
Filed:
May 26, 2010
Appl. No.:
12/800918
Inventors:
Andrew Demko - Wampum PA, US
Michael Travis Wallace - New Castle PA, US
Assignee:
Cold Steel - Ventura CA
International Classification:
A45F 5/14
US Classification:
224234, 224232, 224242
Abstract:
A scabbard for axes or tomahawks that provides a lightweight and foldable integrated head cover configuration that encloses the respective sharpened surfaces of the weapon in multiple pivoted hard case covers for safety and transport on the person of the user.