Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498868 | Addition of colloidal silica to concrete | Mark Wetherell, Timothy J. Fanello | 2022-11-15 |
| 8998531 | Auto pitch control power trowel | Steven K. Hanson, Brian Hammond, David Lillanthal, Bruce Gillespie, Robert Dane Davis +1 more | 2015-04-07 |
| 8708598 | Stroke control trowel | Steven K. Hanson, Cole Baird, Robert Dane Davis, Brian Hammond, David Lilienthal +1 more | 2014-04-29 |
| 7883066 | Corner bracket system for wall hangings and method for use | — | 2011-02-08 |