Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844518 | Methods of growing cannabaceae plants using artificial lighting | Benjamin Franz, Matthew Curran | 2017-12-19 |
| 5058231 | Street sweeper main broom assembly | — | 1991-10-22 |
| 4765013 | Gutter broom segment and assembly | — | 1988-08-23 |