Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8266844 | Paved surface restraint and method of installation | David Frieberg | 2012-09-18 |
| 5212917 | Brick edging device | David Karp | 1993-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8266844 | Paved surface restraint and method of installation | David Frieberg | 2012-09-18 |
| 5212917 | Brick edging device | David Karp | 1993-05-25 |