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For the Inventor, By the Inventor

Saltsburg, PA, United States of America

Winchester Industries, Inc.


USPTO Granted Patents = 3

Trademarks = 8

Forward Citations = 190

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1 inventor (with patents filed for the assignee):

goldMedal Alexander J Biro (3 out of 4 patents)


3 patents:

1. 5791700 - Locking system for a window (1998-08-11),
2. 4689933 - Thermally insulated window sash construction for a casement window (1987-09-01),
3. 4624091 - Thermally insulated window sash construction (1986-11-25),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Saltsburg, PA

#2,630 in Pennsylvania

#71,949 in US

...
Saltsburg, PA, United States of America

Winchester Industries, Inc.

Forward Citations = 190

1 inventor:

goldMedal Alexander J Biro (3 out of 4 patents)

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