Derrick Perkins Jr.

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South Hamilton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for machining a workpiece
- Patent number 6,249,944
- Issue date Jun 26, 2001
- Derrick Perkins
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for machining a workpiece
- Patent number 6,049,965
- Issue date Apr 18, 2000
- Liberty Research Company, Inc.
- Derrick Perkins
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR