Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7402095 | Method for removing trip hazards in concrete sidewalks | — | 2008-07-22 |
| 7201644 | Apparatus for removing trip hazards in concrete sidewalks | — | 2007-04-10 |
| 7143760 | Method for removing trip hazards in concrete sidewalks | — | 2006-12-05 |
| 7000606 | Method and apparatus for removing trip hazards in concrete sidewalks | — | 2006-02-21 |
| 6827074 | Method and apparatus for removing trip hazards in concrete sidewalks | — | 2004-12-07 |