Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880966 | Tachometer sensor using a lens system to a in sensing the rotational speed of an object | Jeffrey A. Goodrich, Jeffrey A. Prsha | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880966 | Tachometer sensor using a lens system to a in sensing the rotational speed of an object | Jeffrey A. Goodrich, Jeffrey A. Prsha | 1989-11-14 |