Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360557 | Phosphorescent abrasive coated product for safety tread | — | 1982-11-23 |
| 4335577 | Hydraulic system having variable displacement pumps controlled by power beyond flow | Raymond J. Lobmeyer | 1982-06-22 |