For the Inventor, By the Inventor

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Chanhassen, MN, United States of America

Fitness Master, Inc.

USPTO Granted Patents = 17

Forward Citations = 613

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15 inventors (with patents filed for the assignee):

James B Easley (9 out of 36 patents)

Paul M Theisen (7 out of 8 patents)

Adolf H Friedebach (7 out of 8 patents)

4. John E Titus (5 out of 5 patents)

5. Thomas G Tupper (4 out of 5 patents)

6. Mark R Nestande (3 out of 5 patents)

7. Trace O Gordon (3 out of 15 patents)

8. Gary D Piaget (3 out of 52 patents)

9. Ross Austin Mackert (2 out of 11 patents)

10. Paul Anthony Pilosi (1 out of 39 patents)

11. Gary R Haaheim (1 out of 3 patents)

12. Karl N Ketter (1 out of 1 patent)

13. Adolph H Friedebach (1 out of 1 patent)

14. A Hans Friedebach (1 out of 1 patent)

15. Louis F Polk, Iii (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 5833584 - Striding exerciser with upwardly curved tracks (1998-11-10),

2. 5709638 - Wrist joint with rotation for an exercise device (1998-01-20),

3. 5674167 - Strength training exercise apparatus with elastomeric resistance members (1997-10-07),

4. D384117 - Strength training apparatus (1997-09-23),

5. D381714 - Pair of frame members for an exercise device (1997-07-29),

6. D381713 - Set of body support members for an exercise device (1997-07-29),

7. D378387 - Exercise device (1997-03-11),

8. 5599261 - Exercise device with two-way articulation (1997-02-04),

9. 5295927 - Stepper exercise machine (1994-03-22),

10. D343214 - Cross country ski exerciser (1994-01-11),

11. 5277678 - Video interactive ski exerciser (1994-01-11),

12. D341859 - Stair climber exercise machine (1993-11-30),

13. D340095 - Cross-country ski simulator exerciser (1993-10-05),

14. 5199931 - Exercise machine for simulating stair climbing (1993-04-06),

15. 5145481 - Ski exercise machine (1992-09-08),

Fitness Master, Inc. is a leading provider of fitness equipment and accessories for home and commercial use. With a wide range of products including treadmills, ellipticals, strength training equipment, and more, Fitness Master is dedicated to helping customers achieve their fitness goals. Our high-quality products and exceptional customer service set us apart from the competition. Visit our website to explore our full product line and start your fitness journey today.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

17 Patents

#7 in Chanhassen, MN

#564 in Minnesota

#18,865 in US

#35,857 in the World

Chanhassen, MN, United States of America

Fitness Master, Inc.

Forward Citations = 613

15 inventors:

James B Easley (9 out of 36 patents)

Paul M Theisen (7 out of 8 patents)

Adolf H Friedebach (7 out of 8 patents)

4. John E Titus (5 out of 5 patents)

5. Thomas G Tupper (4 out of 5 patents)

Please report any incorrect information to [email protected]

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