Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254928 | Stabilized elevator for stretcher or the like | Douglas A. Rippe, Robert Martin | 1981-03-10 |
| 4236261 | Pivot top for stretcher or the like | — | 1980-12-02 |
| 4186456 | Rail system for bed or stretcher | — | 1980-02-05 |