Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883295 | Tamper deterrent assembly | — | 1989-11-28 |
| 4838264 | Torque limiting device for use with bone penetrating pins | Paul W. Bremer | 1989-06-13 |
| 4815304 | Magnetic lock | — | 1989-03-28 |