Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701523 | Buried pipeline repair system | — | 2017-07-11 |
| 9475556 | System for refloating grounded vessels | — | 2016-10-25 |
| 9303794 | Buried pipeline repair system | — | 2016-04-05 |
| 9139270 | System for refloating grounded vessels | — | 2015-09-22 |
| 6384126 | Binder formulation and use thereof in process for forming mineral pellets having both low and high temperature strength | John C. Nigro | 2002-05-07 |
| 4558305 | Multiple tone signaling device | Donald Black, Louis P. Sweany | 1985-12-10 |
| 4531115 | Remote alarm system | Donald Black | 1985-07-23 |