Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771002 | Tracking system using radio frequency signals | William R. Creek, Marvin L. Wahl, Bryan L. Clausen, Bryan Clausen, Jr. | 1998-06-23 |
| D273094 | Stenographic ruler | William K. Szaroletta | 1984-03-20 |