Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220455 | Polycrystalline diamond and/or cubic boron nitride body and process for making said body | Philippe D. St. Pierre, Charles R. Morelock | 1980-09-02 |
JB
John D. Birle
Overall (All Time): #4,118,901 of 4,157,543Top 100%
1
Patents All Time