Robert P. Martin Sr.

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Parma, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Sound attenuating engine cover
- Patent number 4,099,590
- Issue date Jul 11, 1978
- Robert P. Martin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for forming tubes
- Patent number 4,063,442
- Issue date Dec 20, 1977
- Robert P. Martin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...