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For the Inventor, By the Inventor

Island Park, NY, United States of America

Opsales/lenservice, Inc.


USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 123

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2 inventors (with patents filed for the assignee):

goldMedal Robert Wayne Shelton (2 out of 13 patents)

silverMedal Sidney F Friedman (1 out of 1 patent)


3 patents:

1. D350359 - Clip for clip-on sunglasses (1994-09-06),
2. D336308 - Clip for sunglasses (1993-06-08),
3. 5164749 - Clip for mounting sunglass lenses on spectacles (1992-11-17),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#3 in Island Park, NY

#4,509 in New York

#73,718 in US

Island Park, NY (US)
Island Park, NY, United States of America

Opsales/lenservice, Inc.

Forward Citations = 123

2 inventors:

goldMedal Robert Wayne Shelton (2 out of 13 patents)

silverMedal Sidney F Friedman (1 out of 1 patent)

Please report any incorrect information to [email protected]
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