Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345203 | Device for measuring the lubrication of surfaces rolling or sliding relative to each other and lubricated with a lubricant | Rutgerus S. Heemskerk, Hendrik Dolfsma | 1982-08-17 |