SC

Spencer Call

HL Hall Labs: 2 patents #73 of 153Top 50%
Overall (All Time): #1,870,847 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10938227 Trickle-charged vehicle winch mechanism David R. Hall, Daniel Madsen, Benjamin Taylor, Jedediah Knight 2021-03-02
10270268 Trickle-charged vehicle winch mechanism David R. Hall, Daniel Madsen, Benjamin Taylor, Jedediah Knight 2019-04-23