Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443694 | Apparatus for converting rotation motion to linear reciprocating motion | Roy Shanafelter, Eric Alan Bushey | 2019-10-15 |
| 9770722 | Low headloss feed devices and control methods for tray-type vortex grit removal systems | Roy Shanafelter, Eric Alan Bushey | 2017-09-26 |