Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879428 | Temporary rain water collection assembly for use on a roof of a building | Robert Anderson, Philip L. Koops, Dennis Herdegen | 2018-01-30 |
| 8056195 | Landscape edging clip | — | 2011-11-15 |
| 7963718 | Edge restraint for water permeable pavement systems | Robert Anderson | 2011-06-21 |
| 7152366 | Edging strip with ends having mating features | — | 2006-12-26 |
| 6938369 | Change of grade connector | — | 2005-09-06 |
| 6379078 | Method and apparatus for providing an edging structure for pavement | — | 2002-04-30 |
| 5301461 | Edging strip | — | 1994-04-12 |
| 4628632 | Edging strip | — | 1986-12-16 |