Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915746 | Swab and method of manufacturing and using it | Jerald R. Melcher | 1999-06-29 |
| 5358480 | Method of using a swab | Jerald R. Melcher | 1994-10-25 |
| 5212847 | Swab and method of manufacturing and using it | Jerald R. Melcher | 1993-05-25 |