Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359281 | Method and apparatus for testing the braking efficiency of machines | — | 1982-11-16 |
| 4314153 | Optical velocity responsive apparatus and arrangements | Ivor R. Baxter, David G. F. Fripp | 1982-02-02 |