Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7610744 | Cable/hose haulage chain | — | 2009-11-03 |
| 7441397 | Cable/hose haulage chain | — | 2008-10-28 |
| 6029437 | Cable/hose handling chain | — | 2000-02-29 |
| 5778656 | Cable retention device | — | 1998-07-14 |
| 5497536 | Cable hose handling chain | — | 1996-03-12 |
| 5243814 | Cable retention device for use with a cable handling chain | — | 1993-09-14 |
| 5027595 | Cable retention device for use with a cable handling chain | — | 1991-07-02 |
| 4852342 | Cable handling chain | — | 1989-08-01 |
| 4452549 | Tunnel lining rings | — | 1984-06-05 |