Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31933 | High temperature well packer | Donald F. Taylor | 1985-07-02 |
| 4417470 | Electronic temperature sensor | Oliver W. McCracken | 1983-11-29 |
| 4296806 | High temperature well packer | Donald F. Taylor | 1981-10-27 |