James R. Pfaltzgraff

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for tipping saw blades
- Patent number 5,040,436
- Issue date Aug 20, 1991
- Armstrong Manufacturing Company
- James R. Pfaltzgraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for tipping teeth of saw blades
- Patent number 4,864,896
- Issue date Sep 12, 1989
- Armstrong Manufacturing Company
- James R. Pfaltzgraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for grinding saw teeth
- Patent number 4,819,515
- Issue date Apr 11, 1989
- Armstrong Manufacturing Company
- James R. Pfaltzgraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR