RR

Richard D. Ratz

BI Beckman Instruments: 1 patents #201 of 431Top 50%
Overall (All Time): #4,072,975 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4340307 Bichromatic spectrophotometer with wavelength reversal Allen M. Diamond 1982-07-20