Timothy L. Graf

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Lake Elmo, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of cleaning glass
- Patent number 6,638,144
- Issue date Oct 28, 2003
- 3M Innovative Properties Company
- Bruce A. Sventek
- B24 - GRINDING POLISHING
Information Patent Grant
Lead-through robot programming system
- Patent number 5,880,956
- Issue date Mar 9, 1999
- Minnesota Mining and Manufacturing Company
- Timothy L. Graf
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Peening article with peening particles arranged to minimize tracking
- Patent number 5,758,531
- Issue date Jun 2, 1998
- Minnesota Mining and Manufacturing Company
- Timothy L. Graf
- B24 - GRINDING POLISHING
Information Patent Grant
Peening article with peening particles arranged to minimize tracking
- Patent number 5,619,877
- Issue date Apr 15, 1997
- Minnesota Mining and Manufacturing Company
- Timothy L. Graf
- B24 - GRINDING POLISHING
Information Patent Grant
Lead-through robot programming system
- Patent number 5,495,410
- Issue date Feb 27, 1996
- Minnesota Mining and Manufacturing Company
- Timothy L. Graf
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Method of cleaning glass
- Publication number 20010051494
- Publication date Dec 13, 2001
- Bruce A. Sventek
- B24 - GRINDING POLISHING