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For the Inventor, By the Inventor

Waco, TX, United States of America

Spenco Medical Corporation

USPTO Granted Patents = 42

% Expired Patents = 9.5


Trademarks = 23

Forward Citations = 1,816

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21 inventors (with patents filed for the assignee):

goldMedal Jacob Anthony Martinez (16 out of 36 patents)

silverMedal David B Granger (15 out of 35 patents)

bronzeMedal Ray M Fredericksen (7 out of 10 patents)

4.  Melvyn P Cheskin (7 out of 12 patents)

5.  Paul Lewis (5 out of 11 patents)

6.  Duane M Sulak (5 out of 5 patents)

7.  John C Hardt, Ii (3 out of 11 patents)

8.  Fredric J Weber (3 out of 3 patents)

9.  Wayman R Spence (3 out of 4 patents)

10.  Edmund R Burke (2 out of 2 patents)

11.  Frederic J Weber (2 out of 2 patents)

12.  Robert E Shaw (2 out of 2 patents)

13.  Melvin P Cheskin (1 out of 1 patent)

14.  Edward F Dalton (1 out of 3 patents)

15.  Lewis P Orchard, 3rd (1 out of 1 patent)


Core Competencies:
Shoe Insole
Heel Cup
Contoured Support
Triple Density Gel
Arthritis Insole
Footbed
Cushioning Device
Shock Absorption
Electrically Conductive
Anatomical Centering
Hydrogel Material
Breast Prosthesis

42 patents:

1. D762368 - Shoe insole (2016-08-02),
2. D762367 - Shoe insole (2016-08-02),
3. D762366 - Shoe insole (2016-08-02),
4. D761543 - Shoe insole (2016-07-19),
5. D758058 - Heel cup (2016-06-07),
6. D723786 - Contoured support insole (2015-03-10),
7. 8745894 - Triple density gel insole (2014-06-10),
8. D681321 - Contoured support insole (2013-05-07),
9. 8424222 - Arthritis and diabetes insole (2013-04-23),
10. 8296969 - Triple density gel heel cups (2012-10-30),
11. 8250784 - Shoe insole (2012-08-28),
12. D663511 - Footbed (2012-07-17),
13. D634924 - Triple pod shoe insole (2011-03-29),
14. D634920 - Sandal (2011-03-29),
15. 7908768 - Shoe insole (2011-03-22),
Company Overview
Spenco Medical Corporation, based in Waco, Texas, specializes in the development and manufacturing of advanced insole technologies designed to enhance comfort and support for various foot conditions. The company focuses on innovative products such as contoured support insoles, heel cups, and specialized insoles for arthritis and other ailments. Their offerings also include electrically conductive insoles and cushioning devices, utilizing hydrogel materials to provide optimal performance and user satisfaction in footwear solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

42 Patents

#2 in Waco, TX

#459 in Texas

#8,266 in US

#16,374 in the World

Waco, TX (US)
Waco, TX, United States of America

Spenco Medical Corporation

Forward Citations = 1,816

21 inventors:

goldMedal Jacob Anthony Martinez (16 out of 36 patents)

silverMedal David B Granger (15 out of 35 patents)

bronzeMedal Ray M Fredericksen (7 out of 10 patents)

4.  Melvyn P Cheskin (7 out of 12 patents)

5.  Paul Lewis (5 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spenco Medical Corporation. Retrieved from https://idiyas.com/company/spenco-medical

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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