Willem Thomas Degraaff

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Albuquerque, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Shaping tool and method for shaping curved surfaces on workpieces
- Patent number 6,679,757
- Issue date Jan 20, 2004
- General Electric Company
- Willem Thomas Degraaff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for electrical discharge machining
- Patent number 6,369,343
- Issue date Apr 9, 2002
- General Electric Company
- Rudi Oskar Krenz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for electrical discharge machining
- Patent number 6,326,576
- Issue date Dec 4, 2001
- General Electric Company
- Rudi O. Krenz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Workpiece fixture
- Patent number 6,231,035
- Issue date May 15, 2001
- General Electric Company
- Willem T. De Graaff
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Grinding wheel having dead end grooves and method for grinding ther...
- Patent number 5,611,724
- Issue date Mar 18, 1997
- General Electric Company
- Willem T. deGraaff
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for engraving vein cuts
- Patent number 4,868,961
- Issue date Sep 26, 1989
- Coleman-Frizzell, Inc.
- Samuel L. Coleman
- B44 - DECORATIVE ARTS

Patents Applicationslast 30 patents

Information Patent Application
Shaping tool and method for shaping curved surfaces on workpieces
- Publication number 20030181140
- Publication date Sep 25, 2003
- Willem Thomas Degraaff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR