Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454818 | Advancing of apparatus for refurbishing overhead structures | Alexander S. Sinclair, Michael Elliot | 1984-06-19 |
| 4201275 | Means for the renovating and refurbishing of overhead structures | Alexander S. Sinclair | 1980-05-06 |