Ernest Cashwell

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical perforating apparatus and system
- Patent number 4,404,452
- Issue date Sep 13, 1983
- Philip Morris Incorporated
- Ernest Cashwell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for laser perforation of transported articles
- Patent number 4,349,719
- Issue date Sep 14, 1982
- Philip Morris Incorporated
- Ernest Cashwell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR