Norman F. Marsh

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Port Huron, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Material level sensing
- Patent number 6,178,817
- Issue date Jan 30, 2001
- Venture Measurement Company LLC
- Scott M. Hewelt
- G01 - MEASURING TESTING
Information Patent Grant
Material interface level sensing
- Patent number 6,121,780
- Issue date Sep 19, 2000
- William T. Cruickshank
- G01 - MEASURING TESTING
Information Patent Grant
Material level indicating apparatus with status light and external...
- Patent number 5,223,819
- Issue date Jun 29, 1993
- Bindicator Company
- Norman F. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Liquid level measurement system
- Patent number 5,105,662
- Issue date Apr 21, 1992
- Bindicator Company
- Norman F. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Shaft rotation monitoring apparatus
- Patent number 5,103,213
- Issue date Apr 7, 1992
- Bindicator Company
- Norman F. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Capacitance-type material level indicator
- Patent number 5,048,335
- Issue date Sep 17, 1991
- Bindicator Company
- Norman F. Marsh
- G01 - MEASURING TESTING