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For the Inventor, By the Inventor

Fairfield, CT, United States of America

Appel Engineering Group, LLC


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Gustaf T Appelberg (1 out of 12 patents)


1 patent:

1. 8739542 - Closed vapor system (2014-06-03),
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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#40 in Fairfield, CT

#2,533 in Connecticut

#136,739 in US

Fairfield, CT (US)
Fairfield, CT, United States of America

Appel Engineering Group, LLC

Forward Citations = 0

1 inventor:

goldMedal Gustaf T Appelberg (1 out of 12 patents)

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