Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12179717 | Snow and ice remover for vehicle roofs | Doug Werhel, Stephan Lawson, Eric Chang, Thomas W. Murray, Christian Kasilag | 2024-12-31 |
| 11273575 | Eccentric buildup detection in concrete drums | Mark F. Roberts, Yan Glina, Richard K. Jordan, Gregory A. Goldstein, Nathan A. Tregger | 2022-03-15 |
| 11084466 | Snow and ice remover for vehicle roofs | Doug Werhel, Stephan Lawson, Eric Chang, Thomas W. Murray, Christian Kasilag | 2021-08-10 |
| 10351108 | Snow and ice remover for vehicle roofs | William E. Yeaglin | 2019-07-16 |
| 9834181 | Snow and ice remover for vehicle roofs | William E. Yeaglin | 2017-12-05 |
| 9321432 | Automatic height adjusting vehicle roof cleaner | Joel D. McCorkel | 2016-04-26 |
| 7897102 | Method of making valve guide by powder metallurgy process | C. Bruce Blackwell | 2011-03-01 |
| 7628870 | Heat treated valve guide and method of making | C. Bruce Blackwell | 2009-12-08 |
| 7198554 | Method of making valve guide having textured external surface | — | 2007-04-03 |