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For the Inventor, By the Inventor

Toronto, Canada

Opcon Associates of Canada, Ltd.


USPTO Granted Patents = 2

Forward Citations = 32

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1 inventor (with patents filed for the assignee):

goldMedal Ellis I Betensky (2 out of 12 patents)


2 patents:

1. 4109995 - Triplet with aspheric surfaces (1978-08-29),
2. 4094585 - Loupe (1978-06-13),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#555 in Toronto

#5,835 in Canada

...
Toronto, Canada

Opcon Associates of Canada, Ltd.

Forward Citations = 32

1 inventor:

goldMedal Ellis I Betensky (2 out of 12 patents)

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