FR

Francis D. Richards

BI Beckman Instruments: 2 patents #127 of 431Top 30%
Overall (All Time): #2,371,771 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4306676 Tube holder for centrifuge rotor John Robert Edwards 1981-12-22
4290550 Modular supporting cap and spacer for centrifuge tubes Steven J. Chulay 1981-09-22