Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955411 | Hose having index mark | Roy W. Olsen | 1990-09-11 |
| 4561838 | Apparatus for making a hose having an index mark | Roy W. Olsen | 1985-12-31 |
| 4435352 | Method for making a hose having an index mark | Roy W. Olsen | 1984-03-06 |