Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713000 | Systems and methods for performing over-the-air activation while roaming | Kenneth H. Oertle, David S. Cha | 2017-07-18 |
| D420412 | Training device for attachment to racquet strings | James K. Buck, Scott C. Raymond | 2000-02-08 |
| 5944622 | Strung racquet training weight system | James K. Buck, Scott C. Raymond | 1999-08-31 |