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North Sioux City, SD, United States of America

Prince Manufacturing Corporation

USPTO Granted Patents = 26

Trademarks = 14

Forward Citations = 575

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17 inventors (with patents filed for the assignee):

Stephen J Davis (13 out of 83 patents)

Andre Terzaghi (3 out of 5 patents)

Kenneth A Stevens (2 out of 2 patents)

4. Jimmie K Walker (2 out of 3 patents)

5. Howard Head (2 out of 2 patents)

6. Gerard F Sweeton (2 out of 3 patents)

7. Stephen M Pasternak (1 out of 4 patents)

8. Michael A Otterby (1 out of 1 patent)

9. William Harvie, Iii (1 out of 4 patents)

10. Aaron McNaughton (1 out of 1 patent)

11. Dan Nolan (1 out of 1 patent)

12. David T Holland (1 out of 1 patent)

13. Richard Hulock (1 out of 1 patent)

14. Ken Stevens (1 out of 1 patent)

15. Robert A Hoover (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 6926034 - Hydraulic spool lock and method of use (2005-08-09),

2. 6725761 - Spooling device assembly for hydraulic cylinder and method of assembling same (2004-04-27),

3. D394094 - Tennis racquet (1998-05-05),

4. 5417418 - Monoshaft composite tennis racquet (1995-05-23),

5. 5400695 - Method and device for locking cylindrical members together (1995-03-28),

6. 5327714 - Synthetic string for sporting application (1994-07-12),

7. 5322279 - Double strung tennis racquet (1994-06-21),

8. 5318297 - Golf club (1994-06-07),

9. 5238247 - Mono-shaft sports racquet (1993-08-24),

10. 5211397 - String vibration dampener for a tennis racquet (1993-05-18),

11. 5176868 - Long fiber reinforced thermoplastic frame especially for a tennis racquet (1993-01-05),

12. D326698 - Badminton racquet (1992-06-02),

13. 5071124 - Badminton racquet (1991-12-10),

14. 5037098 - Tennis racquet with tapered profile frame (1991-08-06),

15. 5034082 - Method of constructing a tennis racket (1991-07-23),

Prince Manufacturing Corporation is a leading provider of contract manufacturing solutions for various industries. With over 50 years of experience, we specialize in machining, fabrication, assembly, and testing of precision metal components. Our state-of-the-art facilities and skilled workforce enable us to deliver reliable and high-quality products to our clients. We offer a wide range of services, including engineering support, production planning, and inventory management. At Prince Manufacturing, we are committed to providing excellent customer service and exceeding expectations in every aspect of our business.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

26 Patents

#2 in North Sioux City, SD

#15 in South Dakota

#12,424 in US

#24,051 in the World

North Sioux City, SD, United States of America

Prince Manufacturing Corporation

Forward Citations = 575

17 inventors:

Stephen J Davis (13 out of 83 patents)

Andre Terzaghi (3 out of 5 patents)

Kenneth A Stevens (2 out of 2 patents)

4. Jimmie K Walker (2 out of 3 patents)

5. Howard Head (2 out of 2 patents)

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