Duane William Zugel

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spirit level
- Patent number 7,117,608
- Issue date Oct 10, 2006
- Kapro Industries Ltd.
- Duane William Zugel
- G01 - MEASURING TESTING
Information Patent Grant
Spirit level
- Patent number 6,748,666
- Issue date Jun 15, 2004
- Kapro Industries Ltd.
- Duane William Zugel
- G01 - MEASURING TESTING
Information Patent Grant
Spirit level
- Patent number 6,449,859
- Issue date Sep 17, 2002
- Kapro Industries Ltd.
- Duane William Zugel
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Spirit level
- Publication number 20040250433
- Publication date Dec 16, 2004
- KAPRO INDUSTRIES LTD.
- Duane William Zugel
- G01 - MEASURING TESTING
Information Patent Application
Spirit level
- Publication number 20020174554
- Publication date Nov 28, 2002
- KAPRO INDUSTRIES LTD.
- Duane William Zugel
- G01 - MEASURING TESTING