Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873881 | Electrically actuated x-y shifting mechanism | David T. Allen, Bill E. Zylman | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873881 | Electrically actuated x-y shifting mechanism | David T. Allen, Bill E. Zylman | 1989-10-17 |