Brian K. Giffin

Follow

Person

Boulder, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Drill bit adaptor tool
- Patent number 5,722,805
- Issue date Mar 3, 1998
- Brian K. Giffin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Bicycle pedal orientation device
- Patent number 5,078,026
- Issue date Jan 7, 1992
- Brian K. Giffin
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Centering and holding device for use with a potter's wheel apparatus
- Patent number 4,585,240
- Issue date Apr 29, 1986
- Giffin Earthworks, Inc.
- Brian K. Giffin
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Centering and holding devices for potter's wheelhead
- Patent number 4,222,577
- Issue date Sep 16, 1980
- Brian K. Giffin
- B28 - WORKING CEMENT, CLAY, OR STONE