Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024971 | Apparatus, system and method for locating a lost instrument or object | Donald Michael Shields | 2018-07-17 |
| 9304206 | Apparatus, system and method for locating a lost instrument or object | Donald Michael Shields | 2016-04-05 |
| 5525767 | High-performance sound imaging system | — | 1996-06-11 |
| 5148774 | Litter bag frame | — | 1992-09-22 |
| 5140876 | Variable-fulcrum pliers | — | 1992-08-25 |