Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078055 | Hoist mechanism and a stepless adjustment system | Matthew James Walker | 2021-08-03 |
| 9283130 | Lifting apparatus | David L. Walker, Matthew James Walker | 2016-03-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078055 | Hoist mechanism and a stepless adjustment system | Matthew James Walker | 2021-08-03 |
| 9283130 | Lifting apparatus | David L. Walker, Matthew James Walker | 2016-03-15 |