Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D454402 | Paving brick | — | 2002-03-12 |
| D445203 | Paving stone | — | 2001-07-17 |
| D440322 | Paving stone | — | 2001-04-10 |
| D439990 | Paving stone | — | 2001-04-03 |
| D431871 | Paving stone | — | 2000-10-10 |
| D425629 | Paving stone | — | 2000-05-23 |
| D424212 | Paving brick | — | 2000-05-02 |
| D415846 | Brick | — | 1999-10-26 |