Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201854 | Electrical connector for an electrophotographic printing machine | David K. Ahl, Roger M. Swanson, Timothy G. Struczewski, James Fox, Michael Terietzki +2 more | 1993-04-13 |
| 4940833 | Olefin monomer separation process | Charles A. Drake, William R. Parrish | 1990-07-10 |
| 4419968 | Method and apparatus for removing hydrogen sulfide from fuel for an internal combustion engine | — | 1983-12-13 |
| 4347811 | Method and apparatus for removing hydrogen sulfide from fuel for an internal combustion engine | — | 1982-09-07 |
| 4321061 | Motor fuel | Robert M. Parlman, Lyle D. Burns | 1982-03-23 |