Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781845 | Roof cover fastener | Peter C. Garrigus, Derek J. Krueger | 2020-09-22 |
| D844424 | Roof cover fastener | — | 2019-04-02 |
| 10190616 | Roof cover fastener | Peter C. Garrigus, Derek J. Krueger | 2019-01-29 |
| 5654352 | Air-entraining agent and method of producing same | — | 1997-08-05 |