Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313116 | Stackable baffle drop shaft unit and method | Guy A. Conversano | 2022-04-26 |
| 10500760 | Method and apparatus for production of precision precast concrete flights of stairs | — | 2019-12-10 |
| 9249566 | Stackable tower shaft wall stair unit and method | Guy A. Conversano | 2016-02-02 |