Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302718 | Multiple level roll-in cot | William H. Benedict, Eugene Van Dyne, Elroy E. Bourgraf, Irvin D. Pollock | 2007-12-04 |
| 7131151 | Multiple level roll-in cot | William H. Benedict, Eugene Van Dyne, Elroy E. Bourgraf, Irvin D. Pollock, Abe Arnold | 2006-11-07 |
| 6701545 | Multiple level roll-in cot | Bret William Smith, William H. Benedict, Eugene VanDyne | 2004-03-09 |
| 4767148 | Multiple level roll-in cot | Robert E. Dunn | 1988-08-30 |
| 4405172 | High deck ambulance cart | — | 1983-09-20 |
| 4192541 | Cart having extensible auxiliary wheels | — | 1980-03-11 |