Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981587 | Removable hand truck lift system | — | 2021-04-20 |
| 9039381 | Wind turbine blade and method for manufacturing a wind turbine blade with vortex generators | Ronald D. Grife, Carsten Hein Westergaard, David Chao, Kim Mittendorf, Jou-Young Choi +1 more | 2015-05-26 |