Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D586005 | Paver restraint | David Keeley | 2009-02-03 |
| D543286 | Paver restraint | David Keeley | 2007-05-22 |
| D541952 | Low profile paver restraint | David Keeley | 2007-05-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D586005 | Paver restraint | David Keeley | 2009-02-03 |
| D543286 | Paver restraint | David Keeley | 2007-05-22 |
| D541952 | Low profile paver restraint | David Keeley | 2007-05-01 |