Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583170 | Portable oilfield fluid management system and method | John A. Carlin, Joseph R. Skovrinski, J. Bart Henthorn, David Feldman, Steven A. Beard | 1986-04-15 |
| 4551719 | Oil field lease management and security system and method therefor | John A. Carlin, William L. Mobeck, Randall Thompson, Jr., Jules B. Henthorn, Benjamin L. Lopez | 1985-11-05 |
| 4487065 | Storage tank level monitoring apparatus and method therefor | John A. Carlin, Randall Thompson, Jr., Steven A. Beard, Tracy R. Stephens | 1984-12-11 |