% Expired Patents = 100.0

Forward Citations = 252

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4 inventors (with patents filed for the assignee):

John A Schmidt (2 out of 2 patents)

William B Rottenberg (1 out of 8 patents)

John K Prentice (1 out of 1 patent)

4. Scott Mathis (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6643546 - Multi-electrode apparatus and method for treatment of congestive heart failure (2003-11-04),

2. 6480747 - Cardiac electrode catheter and method of manufacturing same (2002-11-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#400 in Denver, CO

#2,363 in Colorado

#94,905 in US

Denver, CO, United States of America

Quetzal Biomedical, Inc.

Forward Citations = 252

4 inventors:

John A Schmidt (2 out of 2 patents)

William B Rottenberg (1 out of 8 patents)

John K Prentice (1 out of 1 patent)

4. Scott Mathis (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quetzal Biomedical, Inc.. Retrieved from https://idiyas.com/company/quetzal-biomedical

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]