Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068948 | Traction cable | David Blankenship, Richard A. George | 1991-12-03 |
| 4825923 | Traction cable | David Blankenship, Richard A. George | 1989-05-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068948 | Traction cable | David Blankenship, Richard A. George | 1991-12-03 |
| 4825923 | Traction cable | David Blankenship, Richard A. George | 1989-05-02 |