Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778305 | Slip-form paver with laterally moveable paving tool | Paul E. Ritchey | 1988-10-18 |
| 4688963 | Dowel bar placing | Paul E. Ritchey | 1987-08-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778305 | Slip-form paver with laterally moveable paving tool | Paul E. Ritchey | 1988-10-18 |
| 4688963 | Dowel bar placing | Paul E. Ritchey | 1987-08-25 |