CJ

Christoper Johnson

HL Hall Labs: 1 patents #105 of 153Top 70%
Overall (All Time): #2,801,258 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10703152 Single wheel swing arm with trough David R. Hall, Stephen R. Hall, Joseph Duncan, Eric Magleby 2020-07-07