Chris H. Porth

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Palatine, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand-held tool with shaft lock
- Patent number 4,804,048
- Issue date Feb 14, 1989
- Skil Corporation
- Chris H. Porth
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Belt centering and replacement mechanism for belt sanders and the like
- Patent number 4,115,957
- Issue date Sep 26, 1978
- Skil Corporation
- Chris H. Porth
- B24 - GRINDING POLISHING