Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772501 | Wet wiper natural acid preservation system | Dale H. Johnson, Joseph H. Miller, Jack H. Propp | 1988-09-20 |
| 4732797 | Wet wiper natural acid preservation system | Dale H. Johnson, Joseph H. Miller, Jack H. Propp | 1988-03-22 |