Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604930 | Concrete block molding machinery | Howard N. Lumsden, Lee F. Marzean, Michael Ponik | 2003-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604930 | Concrete block molding machinery | Howard N. Lumsden, Lee F. Marzean, Michael Ponik | 2003-08-12 |