Enter assignee name

Forward Citations = 180

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5 inventors (with patents filed for the assignee):

Ronald E Prater (11 out of 12 patents)

William K Good (3 out of 3 patents)

Herman B Walker (2 out of 2 patents)

4. Wilson J Harbage (2 out of 2 patents)

5. Sheldon E Sampson (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. 7243770 - Clutch assembly including strengthening members (2007-07-17),

2. 6945086 - Clutch assembly including strengthening members (2005-09-20),

3. 6776274 - Assembly for vehicle driveline components (2004-08-17),

4. 6158265 - Method of forming retaining members on a housing (2000-12-12),

5. 6058591 - Clutch drum and method of manufacture (2000-05-09),

6. 6035737 - Assembly having an outer band member secured to an inner housing (2000-03-14),

7. 6007430 - Two-piece carrier assembly (1999-12-28),

8. 5906135 - Coast clutch with power take off gear (1999-05-25),

9. 5896970 - Clutch housing (1999-04-27),

10. 5893704 - Torque converter (1999-04-13),

11. 5881856 - Clutch drum and method of manufacture (1999-03-16),

12. 5305943 - Splined assembly (1994-04-26),

13. 5180043 - Splined assembly (1993-01-19),

14. 4765167 - Method of roll forming piston (1988-08-23),

15. 4466566 - Method of forming a thin walled annular channel (1984-08-21),

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USPTO Data Jan 1 1976 - Dec 9 2025

17 Patents

#3 in Orion, MI

#662 in Michigan

#18,300 in US

#34,819 in the World

Orion, MI, United States of America

Koppy Corporation