Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10384145 | Evaporator | Jessica L. Astoria, John W. Fields | 2019-08-20 |
| 10323416 | Roofing systems for steep pitch metal roofing | — | 2019-06-18 |
| 10208478 | Low slope roofing system | — | 2019-02-19 |
| 9896846 | Low slope roofing system | — | 2018-02-20 |
| 9499987 | Roofing systems for low slope membrane and steep pitch metal roofing | — | 2016-11-22 |
| 8635811 | Screened gutter protection | — | 2014-01-28 |
| 8528262 | Gutter-locking gutter protection | Russell Verbrugge, Robert J. Heilman, David Skelton, Hal Klaus | 2013-09-10 |
| 8474192 | Screened gutter protection | — | 2013-07-02 |
| 6954429 | Bandwidth control system | Lois Hollopeter, Victor M. Nunes, Scott Searcy, David Thomas | 2005-10-11 |
| 5121989 | Transportable concrete batching apparatus | Ronald E. Christenson, Tim Irwin | 1992-06-16 |