Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270070 | Tooth and friction lightering arrangement | — | 2007-09-18 |
| 6612253 | Apparatus for coupling tug boats to barges | — | 2003-09-02 |
| 6487985 | Tug and barge connector and receiver apparatus | — | 2002-12-03 |
| 6199501 | Articulated tug and barge mobile lightering connection | — | 2001-03-13 |
| 4688507 | Apparatus for coupling tugboats to barges | Robert P. Hill | 1987-08-25 |
| 4486007 | Emergency pawl release system for winches | — | 1984-12-04 |