Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171121 | Portable concrete batch plant | Neil C. Smith, Donald L. Hansen | 1992-12-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171121 | Portable concrete batch plant | Neil C. Smith, Donald L. Hansen | 1992-12-15 |