Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884933 | Adaptor for screwheads and the like | Werner Preusker | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884933 | Adaptor for screwheads and the like | Werner Preusker | 1989-12-05 |