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For the Inventor, By the Inventor

Muncie, IN, United States of America

Performance Dynamics, Inc.

Calculating rank
USPTO Granted Patents = 12

Trademarks = 4

Forward Citations = 371

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7 inventors (with patents filed for the assignee):

goldMedal Thomas L Sevier (7 out of 8 patents)

silverMedal Sue A Stover (7 out of 8 patents)

bronzeMedal Robert H Helfst, Jr (5 out of 6 patents)

4.  Eric W Tisdale (5 out of 6 patents)

5.  Robert Todd Winskowicz (4 out of 13 patents)

6.  Paula T Hammond (1 out of 1 patent)

7.  Paul J Gruen, Jr (1 out of 1 patent)


12 patents:

1. D660449 - Therapy instrument (2012-05-22),
2. D637728 - Therapy instrument (2011-05-10),
3. D530823 - Instrument for diagnosing and treating soft tissue abnormalities (2006-10-24),
4. D530429 - Instrument for diagnosing and treating soft tissue abnormalities (2006-10-17),
5. D518576 - Instrument for diagnosing and treating soft tissue abnormalities (2006-04-04),
6. 6887211 - Instrument for diagnosing and treating soft tissue abnormalities though augmented soft tissue mobilization (2005-05-03),
7. 6641547 - Instruments for diagnosing and treating fibrotic soft tissues (2003-11-04),
8. 6358160 - Golf ball with water immersion indicator (2002-03-19),
9. 6277037 - Golf ball with water immersion indicator (2001-08-21),
10. 5938544 - Golf ball immersion indicator (1999-08-17),
11. 5823891 - Golf ball with water immersion indicator (1998-10-20),
12. 5774997 - Golf ball out-of-round indicator (1998-07-07),
Company Overview
Performance Dynamics, Inc., based in Muncie, Indiana, specializes in advanced engineering solutions and innovative technologies. The company focuses on developing high-performance systems and products that enhance operational efficiency across various industries. With a strong emphasis on research and development, Performance Dynamics is dedicated to pushing the boundaries of engineering and technology, delivering tailored solutions that meet the evolving needs of its clients in a competitive marketplace.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

12 Patents

#5 in Muncie, IN

#357 in Indiana

#25,589 in US

#48,235 in the World

Muncie, IN (US)
Muncie, IN, United States of America

Performance Dynamics, Inc.

Forward Citations = 371

7 inventors:

goldMedal Thomas L Sevier (7 out of 8 patents)

silverMedal Sue A Stover (7 out of 8 patents)

bronzeMedal Robert H Helfst, Jr (5 out of 6 patents)

4.  Eric W Tisdale (5 out of 6 patents)

5.  Robert Todd Winskowicz (4 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Performance Dynamics, Inc.. Retrieved from https://idiyas.com/company/performance-dynamics

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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