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For the Inventor, By the Inventor

Dallas, PA, United States of America

Energy Convertors, Inc.


USPTO Granted Patents = 3

Forward Citations = 47

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2 inventors (with patents filed for the assignee):

goldMedal Charles M Eckman (2 out of 8 patents)

silverMedal Hanford L Eckman (1 out of 3 patents)


3 patents:

1. 5703998 - Hot water tank assembly (1997-12-30),
2. 5586214 - Immersion heating element with electric resistance heating material and (1996-12-17),
3. D339959 - Vent ring for an electric range element (1993-10-05),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#2 in Dallas, PA

#2,676 in Pennsylvania

#73,732 in US

Dallas, PA (US)
Dallas, PA, United States of America

Energy Convertors, Inc.

Forward Citations = 47

2 inventors:

goldMedal Charles M Eckman (2 out of 8 patents)

silverMedal Hanford L Eckman (1 out of 3 patents)

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