Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352063 | Polymer concrete paving machine | J. Dewayne Allen, Ralph C. Luebke | 1994-10-04 |
| D344736 | Riding trowel for concrete finishing | J. Dewayne Allen | 1994-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352063 | Polymer concrete paving machine | J. Dewayne Allen, Ralph C. Luebke | 1994-10-04 |
| D344736 | Riding trowel for concrete finishing | J. Dewayne Allen | 1994-03-01 |