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Culver City, CA, United States of America

Summa Corporation

USPTO Granted Patents = 12

EPO Patents = 1

Trademarks = 6

Forward Citations = 299

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12 inventors (with patents filed for the assignee):

Robert C Miller (4 out of 6 patents)

Gregory J Korkosz (2 out of 3 patents)

Harold E Lemont (2 out of 3 patents)

4. Wilford V Morris (2 out of 6 patents)

5. LaVell R Johnson (1 out of 6 patents)

6. Robert G Hunt (1 out of 1 patent)

7. Theodore B Edwards (1 out of 1 patent)

8. George W Sheary, Iii (1 out of 1 patent)

9. Richard E Moore (1 out of 2 patents)

10. Andrew H Logan (1 out of 3 patents)

11. Morrie E Larsen (1 out of 1 patent)

12. Alain Hackstaff (1 out of 1 patent)

13. Kristof Tilleman (0 patent)

14. Filip Depreeuw (0 patent)

12 patents: Sort by Forward Citations

1. 4258890 - Trimmable feel system for aircraft control (1981-03-31),

2. 4232093 - High temperature skin construction (1980-11-04),

3. 4200837 - Remote radio selector with manual override (1980-04-29),

4. 4200252 - Helicopter antitorque system using circulation control (1980-04-29),

5. 4170896 - Balancing of high-speed shafts (1979-10-16),

6. 4149739 - Dual passage pipe for cycling water to an undersea mineral aggregate (1979-04-17),

7. 4141159 - Method and apparatus for deep sea mining (1979-02-27),

8. 4059685 - Immobilized immunoadsorbent (1977-11-22),

9. 4037751 - Insulation system (1977-07-26),

10. 4012989 - Inertial free-sight system (1977-03-22),

11. 3948295 - Insulation system (1976-04-06),

12. 3930627 - Radiation shielding and gas diffusion apparatus (1976-01-06),

Summa Corporation is a diversified holding company founded by Howard Hughes. It has investments in entertainment, aviation, real estate, hospitality, and gaming industries. The company's portfolio includes The Howard Hughes Corporation and various other subsidiaries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

12 Patents

#31 in Culver City, CA

#5,875 in California

#24,785 in US

#46,685 in the World

Culver City, CA, United States of America

Summa Corporation

Forward Citations = 299

12 inventors:

Robert C Miller (4 out of 6 patents)

Gregory J Korkosz (2 out of 3 patents)

Harold E Lemont (2 out of 3 patents)

4. Wilford V Morris (2 out of 6 patents)

5. LaVell R Johnson (1 out of 6 patents)

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