Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337859 | Process gas compressor train Fugitive Emissions Recovery system | Ralph H. Ingram | 1994-08-16 |
| 4422799 | Method for installing submarine pipelines using a marine railway system | Dennis E. Calkins, Gary E. Harrison, Jesse R. Wilkins | 1983-12-27 |
| 4397582 | Method of creating a cold water conduit to be used in ocean thermal energy conversion systems | Dennis E. Calkins, Edward A. Landers, Daniel Gray | 1983-08-09 |