Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224385 | Method for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like | Yvonne O'Toole | 1993-07-06 |
| 5111700 | Method and apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like | Yvonne O'Toole | 1992-05-12 |
| 4554535 | Method and apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like | Yvonne O'Toole | 1985-11-19 |