Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5584513 | Push in plastic tube fitting | Michael A. Sweeny, Donald E. Washkewicz | 1996-12-17 |
| 4653541 | Dual wall safety tube | Richard M. Oehlschlaeger | 1987-03-31 |
| 4384595 | Hose construction | Donald E. Washkewicz | 1983-05-24 |
| 4308895 | Flame bonded hose | — | 1982-01-05 |