James H. Larson

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Cascade, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fiberglass, reinforced concrete hose shut-off valve
- Patent number 6,871,832
- Issue date Mar 29, 2005
- Construction Forms, Inc.
- Gary D. Lehnhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Fiberglass, reinforced concrete hose shut-off valve
- Publication number 20040149942
- Publication date Aug 5, 2004
- Gary D. Lehnhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...