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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Osd Envizion, Inc.


USPTO Granted Patents = 3

Forward Citations = 190

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2 inventors (with patents filed for the assignee):

goldMedal John D Fergason (3 out of 25 patents)

silverMedal Jeffrey K Fergason (1 out of 11 patents)


3 patents:

1. 6067129 - Welding lens with integrated display and method (2000-05-23),
2. 5959705 - Welding lens with integrated display, switching mechanism and method (1999-09-28),
3. 5751258 - Liquid crystal lens driver electronics for eye protection, high speed (1998-05-12),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#369 in St. Louis, MO

#998 in Missouri

#72,042 in US

...
St. Louis, MO, United States of America

Osd Envizion, Inc.

Forward Citations = 190

2 inventors:

goldMedal John D Fergason (3 out of 25 patents)

silverMedal Jeffrey K Fergason (1 out of 11 patents)

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