Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657455 | Concrete machine tools | Michael Smith, James E. Trounson | 1987-04-14 |
| 4622194 | Process for forming concrete machine tools | Michael Smith, James E. Trounson | 1986-11-11 |