Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12269776 | Permeable, pourable concrete formulas and methods of use | Tim Donovan | 2025-04-08 |
| 8894319 | Permeable paving slab and paver and manufacturing method therefor | Glen Tonder, Tim Donovan, Per Jensen | 2014-11-25 |
| 8684626 | Permeable paver and manufacturing method therefor | Glen Tonder, Tim Donovan, Per Jensen | 2014-04-01 |
| 7927037 | Permeable paver and manufacturing method therefor | Glen Tonder, Tim Donovan, Per Jensen | 2011-04-19 |