Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231698 | System for one-hand control of two winches during hoisting of closed clamshell, with differentiation | — | 1980-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231698 | System for one-hand control of two winches during hoisting of closed clamshell, with differentiation | — | 1980-11-04 |