Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9849676 | Printer including a spit zone | Randal J. Morrison, Jafar N. Jefferson, Lisa Michels, Cris Jansson | 2017-12-26 |
| 5743336 | Pump-packing device for down-hole well arrangements | — | 1998-04-28 |
| 5409065 | Apparatus and method for retrieving an object from a well bore, and method for making a tool for retrieving objects from a well bore | — | 1995-04-25 |
| 5330004 | Well treatment method and apparatus | Robert M. Williams | 1994-07-19 |
| 5299639 | Methods and apparatus for removing debris from a well bore | Robert M. Williams | 1994-04-05 |
| 5251701 | Methods and apparatus for removing debris from a well bore | Robert M. Williams | 1993-10-12 |
| 5054832 | Fishing tool for retrieving implements from a hole | Barry L. Antweil | 1991-10-08 |
| 4493383 | Well clean out tool | Robert M. Williams | 1985-01-15 |
| 4408415 | Christmas tree stand | Billy R. Davis | 1983-10-11 |