Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123893 | Passive paper stacker | — | 1992-06-23 |
| 4977843 | Sail tensioning apparatus | Charles F. Ewert | 1990-12-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123893 | Passive paper stacker | — | 1992-06-23 |
| 4977843 | Sail tensioning apparatus | Charles F. Ewert | 1990-12-18 |