For the Inventor, By the Inventor

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Tulsa, OK, United States of America

Ors Development Corporation

USPTO Granted Patents = 3

Forward Citations = 391

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5 inventors (with patents filed for the assignee):

Jack E Bridges (3 out of 51 patents)

Vincent R Young (3 out of 4 patents)

Homer L Spencer (2 out of 10 patents)

4. Guggilam C Sresty (1 out of 17 patents)

5. Joseph O Enk (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 4821798 - Heating system for rathole oil well (1989-04-18),

2. 4793409 - Method and apparatus for forming an insulated oil well casing (1988-12-27),

3. 4790375 - Mineral well heating systems (1988-12-13),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#145 in Tulsa, OK

#396 in Oklahoma

#72,042 in US

Tulsa, OK, United States of America

Ors Development Corporation

Forward Citations = 391

5 inventors:

Jack E Bridges (3 out of 51 patents)

Vincent R Young (3 out of 4 patents)

Homer L Spencer (2 out of 10 patents)

4. Guggilam C Sresty (1 out of 17 patents)

5. Joseph O Enk (1 out of 2 patents)

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