Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211172 | Apparatus for connecting tow carts to a conveyor | Walter H. Chapman, David E. Hiland, Erwin B. Knies | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211172 | Apparatus for connecting tow carts to a conveyor | Walter H. Chapman, David E. Hiland, Erwin B. Knies | 1980-07-08 |