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Hot Engine Alarm, Inc.
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Rochester, NH, US
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Patents Grants
last 30 patents
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Patent Grant
Fluid level and temperature monitor and alarm system
Patent number
5,708,412
Issue date
Jan 13, 1998
Hot Engine Alarm, Inc.
Raymond A. Proulx
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES