RS

Rolf W. Siemon

BI Beckman Instruments: 1 patents #201 of 431Top 50%
RA Rosemount Analytical: 1 patents #37 of 97Top 40%
Overall (All Time): #2,278,440 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5512757 Spectrophotometer and optical system therefor Carl N. Cederstrand, Sharam M. Salimian 1996-04-30
4413250 Digital communication system for remote instruments Ronald G. Porter, Richard LeBlanc 1983-11-01