Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024971 | Apparatus, system and method for locating a lost instrument or object | Walter Fields | 2018-07-17 |
| 9304206 | Apparatus, system and method for locating a lost instrument or object | Walter Fields | 2016-04-05 |
| 5103138 | Switching excitation supply for gas discharge tubes having means for eliminating the bubble effect | Edward D. Orenstein | 1992-04-07 |