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For the Inventor, By the Inventor

Elmsford, NY, United States of America

Self-Powered Lighting, Inc.


USPTO Granted Patents = 3

Forward Citations = 54

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2 inventors (with patents filed for the assignee):

goldMedal William Hegarty (2 out of 2 patents)

silverMedal George William Oughton, Jr (1 out of 22 patents)


3 patents:

1. 4988889 - Power source for emergency lighting systems (1991-01-29),
2. 4383382 - Self-luminous safety sign (1983-05-17),
3. 4183595 - Apparatus for filling glass tubing with pure gas (1980-01-15),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#18 in Elmsford, NY

#4,338 in New York

#72,067 in US

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Elmsford, NY, United States of America

Self-Powered Lighting, Inc.

Forward Citations = 54

2 inventors:

goldMedal William Hegarty (2 out of 2 patents)

silverMedal George William Oughton, Jr (1 out of 22 patents)

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