For the Inventor, By the Inventor

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Marshall, MI, United States of America

Progressive Dynamics, Inc.

USPTO Granted Patents = 50

CIPO Patents = 4

Trademarks = 6

Forward Citations = 1,363

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26 inventors (with patents filed for the assignee):

Jeffrey L Cornell (16 out of 16 patents)

James G Stephenson (16 out of 17 patents)

Thomas H Phlipot (12 out of 12 patents)

4. James C Cook, Ii (9 out of 10 patents)

5. Eugene L Kilbourn (9 out of 9 patents)

6. Larry Eccleston (7 out of 27 patents)

7. William F Lohness (5 out of 25 patents)

8. Joseph A Namenye (5 out of 5 patents)

9. Lawrence Karlo (4 out of 4 patents)

10. Earl R Goodrich, Ii (3 out of 4 patents)

11. Charles L Zuck (3 out of 3 patents)

12. Peter C Kempf (2 out of 7 patents)

13. Mark D Huggett (2 out of 3 patents)

14. Raymond G Ragan (2 out of 2 patents)

15. David A Kelley (2 out of 3 patents)

Core Competencies:

Power Converter

Electrical Housing

Fluorescent Light Fixture

Electrical Busbar

Thermal Blanket

Recreational Vehicle

Patient Warming System

Fiber Optic Arc Lamp

Light Fixture

Air Flow Control

Signal Processing

Theft Detection

50 patents: Sort by Forward Citations

1. 7782002 - Power converter (2010-08-24),

2. RE40354 - Electrical housing with non-integral cable outlet port member (2008-06-02),

3. D551792 - 12 volt fluorescent light fixture (2007-09-25),

4. RE39461 - Electrical busbar and method of making same (2007-01-08),

5. 6430036 - Electrical housing with non-integral cable outlet port member (2002-08-06),

6. 6424520 - Electrical busbar and method of making same (2002-07-23),

7. 6184649 - Power converter with desulfation mode (2001-02-06),

8. 5982643 - Power converter with selectively variable output and controller and (1999-11-09),

9. D411635 - Light fixture (1999-06-29),

10. D409139 - Converter/charger (1999-05-04),

11. 5728145 - Thermal blanket with central air inlet (1998-03-17),

12. 5687066 - Power converter with overvoltage protection (1997-11-11),

13. 5600550 - Power converter for recreational vehicles and the like (1997-02-04),

14. D376437 - Recreational vehicle light fixture (1996-12-10),

15. D369224 - Recreational vehicle light fixture (1996-04-23),

Progressive Dynamics, Inc. is a leading manufacturer of power conversion products, including AC and DC power supplies, power transformers, chargers, and inverters. With a rich heritage spanning over 50 years, Progressive Dynamics has established itself as a trusted supplier for the recreational vehicle (RV), marine, and automotive industries. Their high-quality and reliable products are designed to meet the demanding requirements of customers worldwide. Visit their website to learn more about their innovative power solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

50 Patents

#1 in Marshall, MI

#261 in Michigan

#6,764 in US

#13,575 in the World

Marshall, MI, United States of America

Progressive Dynamics, Inc.

Forward Citations = 1,363

26 inventors:

Jeffrey L Cornell (16 out of 16 patents)

James G Stephenson (16 out of 17 patents)

Thomas H Phlipot (12 out of 12 patents)

4. James C Cook, Ii (9 out of 10 patents)

5. Eugene L Kilbourn (9 out of 9 patents)

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