Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810078 | Retractable eyeshield | — | 1989-03-07 |
| 4797095 | Orthodontic hook mounting | Maclay M. Armstrong, Steven A. Houser | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810078 | Retractable eyeshield | — | 1989-03-07 |
| 4797095 | Orthodontic hook mounting | Maclay M. Armstrong, Steven A. Houser | 1989-01-10 |