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Wallace R. Crossan Jr.
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Huntingdon Valley, PA, US
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last 30 patents
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Patent Grant
Thermocouple tilt sensing device
Patent number
6,453,571
Issue date
Sep 24, 2002
The Fredericks Company
Wallace R. Crossan
G01 - MEASURING TESTING
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Patent Grant
Dual axis electrolytic tilt sensor
Patent number
5,630,280
Issue date
May 20, 1997
The Fredericks Company
Wallace R. Crossan
G01 - MEASURING TESTING