Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345839 | Device for controlling the position of a drift advancing machine | Alfred Zitz | 1982-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345839 | Device for controlling the position of a drift advancing machine | Alfred Zitz | 1982-08-24 |