James A. Marquis

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Lafayette, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming tapered spiral tubes
- Patent number 6,339,945
- Issue date Jan 22, 2002
- Pacific Roller Die Co., Inc.
- Robert E. Miller
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for forming tapered spiral tubes
- Publication number 20010018839
- Publication date Sep 6, 2001
- Robert E. Miller
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...