Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534732 | Combination cot loading and fastening system for loading and unloading a cot | Elroy E. Bourgraf, Robert C. Chinn, Irvin D. Pollock | 2013-09-17 |
| 8444195 | Combination cot loading and fastening system | Elroy E. Bourgraf, Robert C. Chinn, Irvin D. Pollock | 2013-05-21 |
| 7996939 | Electro-hydraulically powered lift ambulance cot | William H. Benedict, Robert C. Chinn, Timothy Paul Schroeder, Brian Slick | 2011-08-16 |
| 7409734 | Pneumatically powered lift ambulance cot | William H. Benedict, Robert C. Chinn | 2008-08-12 |
| 6810767 | Floating roller lock | — | 2004-11-02 |
| 6691970 | Rotatable seat support | — | 2004-02-17 |