Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D363787 | Retaining wall block | — | 1995-10-31 |
| D343461 | Retaining wall block | — | 1994-01-18 |
| 5085008 | Apparatus and method for cutting and grinding masonry units | Gilbert M. Jennings, Scott Gledhill, Norman R. Stock | 1992-02-04 |