Frederick Arthur Hemphill

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Victoria, CA

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR FORMING UNDULATING CONDUIT
- Publication number 20110005291
- Publication date Jan 13, 2011
- Undultec, Inc.
- Lubomyr M. Cymbalisty
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND APPARATUS FOR FORMING UNDULATING CONDUIT
- Publication number 20080173060
- Publication date Jul 24, 2008
- Undultec, Inc.
- Lubomyr M. Cymbalisty
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...