David N. Nappier

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Caseyville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Power assist lever arm attachment
- Patent number 7,789,167
- Issue date Sep 7, 2010
- The Boeing Company
- Scott A. Martin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Countersink drill system
- Patent number 7,614,832
- Issue date Nov 10, 2009
- The Boeing Company
- David N. Nappier
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and methods for thrust sensing valves
- Patent number 7,189,033
- Issue date Mar 13, 2007
- The Boeing Company
- David N. Nappier
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
POWER ASSIST LEVER ARM ATTACHMENT
- Publication number 20090261231
- Publication date Oct 22, 2009
- The Boeing Company
- Scott A. Martin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Countersink drill system
- Publication number 20070147968
- Publication date Jun 28, 2007
- The Boeing Company
- David N. Nappier
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Portable tool lubrication system
- Publication number 20070137934
- Publication date Jun 21, 2007
- The Boeing Company
- David N. Nappier
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Portable electro-pneumatic drill apparatus
- Publication number 20060269369
- Publication date Nov 30, 2006
- The Boeing Company
- David L. Fritsche
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Apparatus and methods for thrust sensing valves
- Publication number 20050109539
- Publication date May 26, 2005
- David N. Nappier
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR