David A. Petersen

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Work bench
- Patent number 5,120,035
- Issue date Jun 9, 1992
- Tekton Innovations, Inc.
- Charles H. Neuenschwander
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Work bench
- Patent number 4,909,495
- Issue date Mar 20, 1990
- Charles H. Neuenschwander
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Desktop plotter instrument
- Patent number 4,547,968
- Issue date Oct 22, 1985
- Bausch & Lomb Incorporated
- David A. Petersen
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES