Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496469 | Apparatus for reducing and separating emulsions and homgeneous components from contaminated water | Charles R. Scraggs, Jack R. Creel | 1996-03-05 |
| 5411665 | Methods for reducing and separating emulsions and homogeneous components from contaminated water | Charles R. Scraggs, Jack R. Creel | 1995-05-02 |
| D297847 | Heavy wall drill pipe | Gregg S. Perkin, Peter Patarini | 1988-09-27 |
| 4771811 | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe | Gregg S. Perkin, Peter Patarini | 1988-09-20 |
| 4674171 | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe | Gregg S. Perkin, Peter Patarini | 1987-06-23 |