Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838371 | Constrained linear motion inertial balance | Georg Rupprecht | 1989-06-13 |
| 4836314 | Novel glass elements for use in balances | Georg Rupprecht | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838371 | Constrained linear motion inertial balance | Georg Rupprecht | 1989-06-13 |
| 4836314 | Novel glass elements for use in balances | Georg Rupprecht | 1989-06-06 |