Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823000 | Apparatus for indicating the value of a variable | — | 1989-04-18 |
| 4807152 | Metrological apparatus | Hugh R. Lane | 1989-02-21 |
| 4807164 | Apparatus for measuring and controlling velocity | — | 1989-02-21 |