Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017073 | Disposable prophylaxis angle with improved gear retainer | Roger Madry, Steve Tripp, Tom Richardson | 2015-04-28 |
| 8411672 | Methods and apparatus for providing emergency telephone service to IP-based telephone users | Robert T. Baum | 2013-04-02 |
| 7843934 | Methods and apparatus for providing emergency telephone service to IP-based telephone users | Robert T. Baum | 2010-11-30 |