Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867269 | Tuned self-damping convoluted conduit | Harold K. Waite | 1989-09-19 |
| 4854416 | Tuned self-damping convoluted conduit | Harold K. Waite | 1989-08-08 |
| 4813716 | Quick connect end fitting | Rudolph A. Adamczyk | 1989-03-21 |