Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612631 | Trench plate connector | — | 2003-09-02 |
| 6578889 | Forged trench plate connector | — | 2003-06-17 |
| 6398447 | Unitary eye bolt | — | 2002-06-04 |
| 6231267 | Threaded plug device for attachment to a trench plate for removable attachment of a hoist ring | — | 2001-05-15 |
| 6161883 | Hoist ring with integral load ring and large diameter skirt | — | 2000-12-19 |
| 6161884 | Source-coded unitary eye bolts | — | 2000-12-19 |
| 5056965 | Method of controlled inventory for bushings | Gary Tsui, Thomas Heimbigner | 1991-10-15 |