Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819527 | Threading machine chuck | — | 1989-04-11 |
| D299466 | Power driven threading machine | Robert J. Hayes | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819527 | Threading machine chuck | — | 1989-04-11 |
| D299466 | Power driven threading machine | Robert J. Hayes | 1989-01-17 |