Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791840 | Metal cutting with high pressure coolant | Frederick D. Parker | 1988-12-20 |
WR
William M. De Rosier
Overall (All Time): #3,964,892 of 4,157,543Top 100%
1
Patents All Time