Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797095 | Orthodontic hook mounting | Maclay M. Armstrong, Jeffrey A. Armstrong | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797095 | Orthodontic hook mounting | Maclay M. Armstrong, Jeffrey A. Armstrong | 1989-01-10 |