Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945965 | Remote controlled urinary leg/bed bag drain valve | — | 2005-09-20 |
| 4657881 | Absorbent materials | John R. Crampton | 1987-04-14 |
| 4591581 | Method for making absorbent materials | John R. Crampton | 1986-05-27 |