David A. Carpenter

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Clarksville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Friction hinge having high thermal conductivity
- Patent number 6,226,177
- Issue date May 1, 2001
- TorqMaster, Inc.
- Edward T. Rude
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Friction hinge with detent capability
- Patent number 5,918,348
- Issue date Jul 6, 1999
- TorqMaster, Inc.
- David A. Carpenter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Equilibrated hinge with variable frictional torque
- Patent number 5,771,540
- Issue date Jun 30, 1998
- TorqMaster, Inc.
- David A. Carpenter
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for cutting a workpiece
- Publication number 20060206233
- Publication date Sep 14, 2006
- David Alan Carpenter
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR