David S. Colvin

Person

Farmington Hills, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Socket and ratchet wrench
- Patent number 5,626,062
- Issue date May 6, 1997
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Vehicle occupant restraint belt buckle including illumination
- Patent number 5,181,773
- Issue date Jan 26, 1993
- David S. Colvin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Screwdriver blade construction
- Patent number 4,977,800
- Issue date Dec 18, 1990
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Wrench opening engagement surface configuration
- Patent number 4,930,378
- Issue date Jun 5, 1990
- David S. Colvin
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversible ratchet wrench with thin head construction
- Patent number 4,903,554
- Issue date Feb 27, 1990
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable double-ended box wrench
- Patent number 4,787,275
- Issue date Nov 29, 1988
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Wrench opening
- Patent number 4,765,211
- Issue date Aug 23, 1988
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Screwdriver with concave blade
- Patent number 4,716,797
- Issue date Jan 5, 1988
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Socket including adjustable jaws
- Patent number 4,663,999
- Issue date May 12, 1987
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversible ratchet wrench including detent mechanism
- Patent number 4,631,988
- Issue date Dec 30, 1986
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable socket including rotatable adjuster
- Patent number 4,608,887
- Issue date Sep 2, 1986
- David S. Colvin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wrench opening
- Patent number 4,598,616
- Issue date Jul 8, 1986
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversible ratchet wrench
- Patent number 4,485,700
- Issue date Dec 4, 1984
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable socket including apertured sleeve
- Patent number 4,378,714
- Issue date Apr 5, 1983
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Socket including adjustable jaws
- Patent number 4,366,733
- Issue date Jan 4, 1983
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable open-end and box-end wrench
- Patent number 4,325,275
- Issue date Apr 20, 1982
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable socket
- Patent number 4,213,355
- Issue date Jul 22, 1980
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Combination adjustable open-end and box-end wrench
- Patent number 4,151,763
- Issue date May 1, 1979
- David S. Colvin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

David S. Colvin

Person

Patents Grantslast 30 patents

Socket and ratchet wrench

Vehicle occupant restraint belt buckle including illumination

Screwdriver blade construction

Wrench opening engagement surface configuration

Reversible ratchet wrench with thin head construction

Adjustable double-ended box wrench

Wrench opening

Screwdriver with concave blade

Socket including adjustable jaws

Reversible ratchet wrench including detent mechanism

Adjustable socket including rotatable adjuster

Wrench opening

Reversible ratchet wrench

Adjustable socket including apertured sleeve

Socket including adjustable jaws

Adjustable open-end and box-end wrench

Adjustable socket

Combination adjustable open-end and box-end wrench