Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601402 | Steerable concentric ring segment supported lift crane | James G. Morrow, Sr. | 1986-07-22 |
| 4449635 | Imaginary pivot lift crane | James G. Morrow, Sr. | 1984-05-22 |
| 4358021 | Separated ring segment dual pivot lift crane | James G. Morrow, Sr. | 1982-11-09 |
| 4316548 | Concentric ring segment supported lift crane | James G. Morrow, Sr. | 1982-02-23 |