Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7195585 | Cushioning conversion machine and method with stock usage monitoring | Richard O. Ratzel | 2007-03-27 |
| D489121 | Set of tire air transfer hose connectors | — | 2004-04-27 |
| 6432032 | Cushioning conversion machine | Richard O. Ratzel | 2002-08-13 |
| 6203481 | Cushioning conversion machine | Richard O. Ratzel | 2001-03-20 |
| 6179762 | Cushioning conversion machine | Richard O. Ratzel | 2001-01-30 |
| 6055795 | Cushioning conversion machine | Richard O. Ratzel | 2000-05-02 |
| 5901457 | Chain saw ruler attachment | — | 1999-05-11 |
| 5897478 | Cushioning conversion machine and method using encoded stock material | Richard O. Ratzel | 1999-04-27 |