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For the Inventor, By the Inventor

North Billerica, MA, United States of America

Btu Engineering Company


USPTO Granted Patents = 1

Forward Citations = 14

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1 inventor (with patents filed for the assignee):

goldMedal Jacob Howard Beck (1 out of 9 patents)


1 patent:

1. 4011395 - Electric furnace heater (1977-03-08),
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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#30 in North Billerica, MA

#6,597 in Massachusetts

#136,739 in US

North Billerica, MA (US)
North Billerica, MA, United States of America

Btu Engineering Company

Forward Citations = 14

1 inventor:

goldMedal Jacob Howard Beck (1 out of 9 patents)

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