DR. MATTHEW DAVID BARKER, MD
Osteopathic Medicine in San Diego, CA

License number

California 200400185

Professional information

Senior Software Engineer

Position:

Software Engineer at Cisco Systems, Inc., Senior Software Engineer at DefenseWeb Technologies, Inc.

Location:

Greater San Diego Area

Industry:

Information Technology and Services

Work:

Cisco Systems, Inc. - Software Engineer DefenseWeb Technologies, Inc. since May 2012 - Senior Software Engineer Euro RSCG Edge Jan 2010 - Apr 2012 - Senior Software Engineer

Combination Skateboard Tool

US Patent:

6502483, Jan 7, 2003

Filed:

Aug 29, 2001

Appl. No.:

09/942538

Inventors:

Tod Swank - San Diego CA
Matthew J. Barker - San Diego CA
Joshua Z. Beagle - San Diego CA

Assignee:

Tum Yeto, Inc. - San Diego CA

International Classification:

B25B 2300

US Classification:

81437, 811774, 81 309, 7138

Abstract:

A combination tool includes a first tool part and a second tool part. The first tool part includes a first cylindrical member connected to a handle. The said first cylindrical member has a pair of ends, at least one of which is formed to define at least a partial socket. The handle has a longitudinal bore with an open end. The second tool part includes a first rod that is insertable in the bore of the handle.

Multi-Socket Skateboard Tool

US Patent:

6295897, Oct 2, 2001

Filed:

Dec 3, 1999

Appl. No.:

9/454662

Inventors:

Tod Swank - San Diego CA
Matthew J. Barker - San Diego CA
Joshua Z. Beagle - San Diego CA

Assignee:

Tum Yeto, Inc. - San Diego CA

International Classification:

B25B 1306

US Classification:

811244

Abstract:

A hand tool comprising at least three variously-sized sockets for use with nuts and bolts on skateboards is described. The multi-socket hand tool comprises a rod having a first rod end and a second rod end; a first socket head mounted to the first rod end, the first socket head defining a first socket, wherein the angle between the longitudinal axis of the first socket and the longitudinal axis of the rod is between about 95. degree. and about 135. degree. ; and second and third socket heads mounted to the second rod end, the second and third socket heads defining second and third sockets, respectively. The hand tool may, optionally, further include means for removing a bottle cap so that the tool can additionally function as a bottle opener.