Andrew J. Szewczyk

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Harper Woods, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pot broach
- Patent number 4,102,244
- Issue date Jul 25, 1978
- Lear Siegler, Inc.
- Eugene J. Bistrick
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pot broach
- Patent number 4,065,222
- Issue date Dec 27, 1977
- Lear Siegler, Inc.
- Eugene J. Bistrick
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR