Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509490 | EMF sacrificial anode sub and method to deter bit balling | William C. Paske, Paul F. Rodney | 1996-04-23 |
| 5351765 | Coring assembly and method | — | 1994-10-04 |
| 5330016 | Drill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud balling | William C. Paske, Paul F. Rodney | 1994-07-19 |
| 4296822 | Multipurpose fluid flow assisted downhole tool | — | 1981-10-27 |