John H. Simpson

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Kenosha, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer, parallel lay, coreless wire rope
- Patent number 4,487,010
- Issue date Dec 11, 1984
- AMSTED Industries Incorporated
- Ferdinand Chiappetta
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Multi-layer, contrahelically stranded wire rope
- Patent number 4,470,249
- Issue date Sep 11, 1984
- AMSTED Industries Incorporated
- Ferdinand Chiappetta
- D07 - ROPES CABLES OTHER THAN ELECTRIC