Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727866 | Intrauterine device detection and removal system | Billy R. Livesay, Howard J. Tatum | 1988-03-01 |
| 4572162 | Method for the detection, location and extraction of an intrauterine device | Billy R. Livesay, Howard J. Tatum | 1986-02-25 |