Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681424 | Tilt-top mortuary cot | Elroy E. Bourgraf, Eugene VanDyne | 2004-01-27 |
| 6381781 | Combination ambulance cot and chair | Elroy E. Bourgraf, Eugene VanDyne | 2002-05-07 |
| 5839136 | Cot mountable arm rest and cot incorporating same | H. Clayton Johnson | 1998-11-24 |
| 5432966 | Adjustable ambulance cot with trolley mechanism | Kenneth R. Berta | 1995-07-18 |
| 4688279 | Combination stretcher and stairchair | — | 1987-08-25 |
| 4369985 | One man cart for articles | Elroy E. Bourgraf, Robert E. Dunn | 1983-01-25 |