Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701978 | Easy change oil system | — | 2004-03-09 |
| 5023276 | Preparation of normally liquid hydrocarbons and a synthesis gas to make the same, from a normally gaseous hydrocarbon feed | Robert M. Yarrington | 1991-06-11 |
| 4441814 | Spectrograph providing spectral reference marks | — | 1984-04-10 |
| 4422829 | Sump drain system | — | 1983-12-27 |
| 4420463 | Dry chemical feed system | Frances C. Pocius | 1983-12-13 |
| 4386637 | Chemical drum feeding and flushing system | Frances C. Pocius, Donald L. Peters | 1983-06-07 |