Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305350 | Pile installation system | Paul Daysh, Howard A. Perko | 2025-05-20 |
| 11530534 | Dry-stack masonry wall supported on hollow piles | Paul Daysh, Howard A. Perko | 2022-12-20 |