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For the Inventor, By the Inventor

Springfield, MO, United States of America

Stamina Products, Inc.


USPTO Granted Patents = 57

% Expired Patents = 26.3


Trademarks = 29

Forward Citations = 1,648

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38 inventors (with patents filed for the assignee):

goldMedal Robert W McBride (28 out of 28 patents)

silverMedal Kevin Gerschefske (23 out of 23 patents)

bronzeMedal Rick Byrd (7 out of 9 patents)

4.  Marjolein Brugman (6 out of 6 patents)

5.  Robert McDonial (5 out of 5 patents)

6.  Tyler Rogers (4 out of 4 patents)

7.  Lee San-Ping (4 out of 4 patents)

8.  Juliu Horvath (4 out of 7 patents)

9.  Paul Chen (3 out of 68 patents)

10.  Peter Douglas Ploss (3 out of 3 patents)

11.  Sunny Lee (3 out of 30 patents)

12.  Newton Lin (3 out of 3 patents)

13.  Jack S Barufka (3 out of 3 patents)

14.  David Chen (3 out of 25 patents)

15.  William C Brazeal (3 out of 3 patents)


Core Competencies:
Therapeutic Roller
Exercise Board
Standing Traction Device
Adjustable Desk
Pull-Up Bar
Dumbbell
Elliptical Exerciser
Multi-Purpose Exercise Bench
Flexural Exercise Device
Manual Treadmill
Aerobic Ski Machine
Portable Workout Apparatus

57 patents:

1. 11160719 - Therapeutic roller with coupling and non-coupling nodules (2021-11-02),
2. 10391353 - Exercise board assembly (2019-08-27),
3. 10123930 - Standing traction device (2018-11-13),
4. 10010738 - Exercise apparatus with resilient foot support (2018-07-03),
5. 9750343 - Exercise device with adjustable desk (2017-09-05),
6. 9079085 - Pull-up bar with hand and finger holds (2015-07-14),
7. 8721506 - Exercise apparatus and method (2014-05-13),
8. 8632444 - Portable workout apparatus having a pivotally mounted exercise bar (2014-01-21),
9. 8562492 - Exercise apparatus with resilient foot support (2013-10-22),
10. 8480548 - Exercise apparatus and method (2013-07-09),
11. 8475346 - Storable exercise apparatus for professional and home use (2013-07-02),
12. 8348816 - Storable exercise apparatus for professional and home use (2013-01-08),
13. 8137247 - Exercise apparatus with resilient foot support (2012-03-20),
14. 8057371 - Portable workout apparatus including a plie bar (2011-11-15),
15. 8057361 - Portable workout apparatus including a plie bar (2011-11-15),
Stamina Products, Inc. is a prominent manufacturer based in Springfield, MO, specializing in a diverse range of exercise equipment designed to enhance fitness and well-being. The company focuses on innovative solutions such as therapeutic rollers, exercise boards, and adjustable desks, catering to various fitness needs. With a commitment to quality and functionality, Stamina Products also offers multi-purpose exercise benches, pull-up bars, and elliptical exercisers, making it a key player in the exercise equipment industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Stamina Products, Inc.
57 Patents

#2 in Springfield, MO

#76 in Missouri

#6,238 in US

#12,542 in the World

Springfield, MO (US)
Springfield, MO, United States of America

Stamina Products, Inc.

Forward Citations = 1,648

38 inventors:

goldMedal Robert W McBride (28 out of 28 patents)

silverMedal Kevin Gerschefske (23 out of 23 patents)

bronzeMedal Rick Byrd (7 out of 9 patents)

4.  Marjolein Brugman (6 out of 6 patents)

5.  Robert McDonial (5 out of 5 patents)

Please report any incorrect information to [email protected]
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