Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5857715 | Pipeline branch arrangement | David A. Gray, Stephen T. McCoy | 1999-01-12 | $9,581,000 |
| D382223 | Medical locket | — | 1997-08-12 | |
| 4992001 | Method of deepwater pipelay | — | 1991-02-12 | $9,871,000 |
| 4909670 | Submarine pipeline span correction by local axial tension release | — | 1990-03-20 | $6,163,000 |
| 4498811 | Underwater pipeline sealing apparatus | Derek T. Fern | 1985-02-12 | |
| 4422799 | Method for installing submarine pipelines using a marine railway system | William L. Green, Dennis E. Calkins, Jesse R. Wilkins | 1983-12-27 |