William G. Hungerford

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Medina, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-function flow monitoring apparatus with multiple flow sensor...
- Patent number 5,506,791
- Issue date Apr 9, 1996
- American Sigma, Inc.
- William G. Hungerford
- G02 - OPTICS
Information Patent Grant
Automatic fluid monitoring and sampling apparatus and method
- Patent number 5,299,141
- Issue date Mar 29, 1994
- American Sigma, Inc.
- William G. Hungerford
- G02 - OPTICS
Information Patent Grant
Automatic fluid sampling and monitoring apparatus and method
- Patent number 5,172,332
- Issue date Dec 15, 1992
- American Sigma, Inc.
- William G. Hungerford
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Automatic fluid sampling and flow measuring apparatus and method
- Patent number 5,091,863
- Issue date Feb 25, 1992
- American Sigma, Inc.
- William G. Hungerford
- E03 - WATER SUPPLY SEWERAGE