Inventor
FREY RAYMOND
CH9 patents
⚠️ This page may combine multiple inventors who share the name “FREY RAYMOND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTRAVES AG
5 patentsUS3994585ANov 30, 1976
Opto-electrical measuring apparatus for determining the relative hemoglobin content of an illuminated solution by evaluating its light absorption
CONTRAVES AG34 citations91
US5125153AJun 30, 1992
Method of making a hybrid electronic array
CONTRAVES AG24 citations83
US4290772ASep 22, 1981
Reducing light scatter in photometric measurements involving suspended particles
CONTRAVES AG13 citations72
US4206504AJun 3, 1980
Method of analyzing a measuring liquid as a function of a preparatory state of a sample contained in the measuring liquid
CONTRAVES AG8 citations72
US4314346AFeb 2, 1982
Auxiliary apparatus for a particle analyser
CONTRAVES AG7 citations70