Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404113 | Cooling liquid with corrosion-inhibiting and cavitation-inhibiting additives | Heinrich Peters | 1983-09-13 |
| 4283297 | De-icing composition on the basis of ethylene glycol and/or propylene glycol, water and urea | Heinrich Peters | 1981-08-11 |