% Expired Patents = 50.0

Forward Citations = 128

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4 inventors (with patents filed for the assignee):

Spencer D Land (6 out of 9 patents)

Albert A Andrews (4 out of 16 patents)

Jonathan P Spence (1 out of 1 patent)

4. Andy Andrews (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7273575 - Method of making a composite riser (2007-09-25),

2. 6722354 - Archery bow cable guard (2004-04-20),

3. 6684870 - Split limb archery bow apparatus (2004-02-03),

4. 6669802 - Composite riser (2003-12-30),

5. 6629522 - Compound bow having a limited freedom of movement between cojournaled cams (2003-10-07),

6. 6543432 - Archery bow vibration dampening system (2003-04-08),

7. 5845388 - Method for production of archery bow risers of various shapes (1998-12-08),

8. 5157551 - Mirror wiper apparatus (1992-10-20),

Company Overview

Spenco, Inc. is a leading provider of high quality insoles, arch supports, orthotics, and comfort footwear. With a focus on innovation and customer satisfaction, Spenco has been delivering superior products to improve foot health and comfort since 1967. Their range of products are designed to provide cushioning, support, and pain relief for individuals of all ages and lifestyles.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#1 in Dunlap, TN

#390 in Tennessee

#35,924 in US

Dunlap, TN, United States of America

Spenco, Inc.

Forward Citations = 128

4 inventors:

Spencer D Land (6 out of 9 patents)

Albert A Andrews (4 out of 16 patents)

Jonathan P Spence (1 out of 1 patent)

4. Andy Andrews (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spenco, Inc.. Retrieved from https://idiyas.com/company/spenco

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]