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For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Filament Lighting, LLC


USPTO Granted Patents = 3

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

goldMedal Frank T Shum (3 out of 71 patents)

silverMedal Ray Orr (1 out of 1 patent)


3 patents:

1. 12546447 - Light distribution for narrow corridors and aisles (2026-02-10),
2. 11614207 - Post top LED lamp optics (2023-03-28),
3. 11363691 - Driver incorporating a lighting ballast for supplying constant voltage loads (2022-06-14),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#612 in Sunnyvale, CA

#16,838 in California

#73,766 in US

Sunnyvale, CA (US)
Sunnyvale, CA, United States of America

Filament Lighting, LLC

Forward Citations = 1

2 inventors:

goldMedal Frank T Shum (3 out of 71 patents)

silverMedal Ray Orr (1 out of 1 patent)

Please report any incorrect information to [email protected]
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