JR

John Richmond

Overall (All Time): #1,749,794 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11911775 Particle separation apparatus Michael L. Gray 2024-02-27
10065197 Hydraulic particle separation apparatus for placer mining Michael L. Gray 2018-09-04