For the Inventor, By the Inventor

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Euless, TX, United States of America

Ecc Corporation

USPTO Granted Patents = 3

Forward Citations = 60

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4 inventors (with patents filed for the assignee):

William B Mason (1 out of 8 patents)

Raymond E Larson (1 out of 1 patent)

Calvin E Grubbs (1 out of 4 patents)

4. Jack B Harwell (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4042871 - Conversion system with overcurrent protection and start-up circuitry (1977-08-16),

2. 4016474 - Circuit for controlling the charging current supplied to a plurality of (1977-04-05),

3. 3939396 - Shunt A.C. voltage regulator with modified full-wave bridge (1976-02-17),

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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#6 in Euless, TX

#4,791 in Texas

#73,860 in US

Euless, TX, United States of America

Ecc Corporation

Forward Citations = 60

4 inventors:

William B Mason (1 out of 8 patents)

Raymond E Larson (1 out of 1 patent)

Calvin E Grubbs (1 out of 4 patents)

4. Jack B Harwell (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ecc Corporation. Retrieved from https://idiyas.com/company/ecc

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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