Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678040 | Methods and apparatus for recovery of hydrocarbons and other liquids from underground | Wayne C. McLaughlin, William J. Recker, Paul K. Francescon | 1987-07-07 |
| 4625801 | Methods and apparatus for recovery of hydrocarbons from underground water tables | Wayne C. McLaughlin, William J. Recker, Paul K. Francescon | 1986-12-02 |
| 4546830 | Methods and apparatus for recovery of hydrocarbons from underground water tables | Wayne C. McLaughlin, William J. Recker, Paul K. Francescon | 1985-10-15 |
| 4527633 | Methods and apparatus for recovery of hydrocarbons from underground water tables | Wayne C. McLaughlin, William J. Recker, Paul K. Francescon | 1985-07-09 |