logo

For the Inventor, By the Inventor

St. Louis, MO, United States of America

Osd Envizion, Inc.


USPTO Granted Patents = 3

Forward Citations = 192

Loading Chart...
Loading Chart...

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),
logo

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#398 in St. Louis, MO

#1,025 in Missouri

#73,716 in US

St. Louis, MO (US)
St. Louis, MO, United States of America

Osd Envizion, Inc.

Forward Citations = 192

2 inventors:

goldMedal John D Fergason (3 out of 25 patents)

silverMedal Jeffrey K Fergason (1 out of 11 patents)

Please report any incorrect information to [email protected]
Loading…