Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952262 | Hose construction | Donald E. Washkewicz | 1990-08-28 |
| 4699178 | Low volumetric expansion hose | Donald E. Washkewicz | 1987-10-13 |
| 4275937 | Hose with braided reinforcement | — | 1981-06-30 |
| 4261390 | Hose construction | — | 1981-04-14 |