Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310078 | Drive system, controlling braking system therefor, and safety lock controlling both | — | 1982-01-12 |
| 4308893 | Clutch-brake steering valve mechanism for tractors | Probir K. Chatterjea | 1982-01-05 |