Inventor
FETZER GUNTER
6 patents
⚠️ This page may combine multiple inventors who share the name “FETZER GUNTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SICK OPTIK ELEKTRONIK ERWIN
4 patentsUS4196961AApr 8, 1980
Optical apparatus for correcting the spherical aberration of a spherical concave mirror
SICK OPTIK ELEKTRONIK ERWIN25 citations80
US4156883AMay 29, 1979
Light barrier arrangement
SICK OPTIK ELEKTRONIK ERWIN8 citations72
US4283623AAug 11, 1981
Reading apparatus for reading colored markings applied to objects
SICK OPTIK ELEKTRONIK ERWIN10 citations70
US4131804ADec 26, 1978
Electrooptical scanning device
SICK OPTIK ELEKTRONIK ERWIN3 citations61