Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544583 | Prefabricated masonry walls | Dave Muirhead, David Biggs, Stephen M. Winter | 2020-01-28 |
| 9932737 | Prefabricated masonry lintels | Dave Muirhead | 2018-04-03 |
| 9926703 | Prefabricated masonry wall panels | Dave Muirhead | 2018-03-27 |