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Inventor
LINKE WALTER R
US
4 patents
⚠️ This page may combine multiple inventors who share the name “LINKE WALTER R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL & HOWELL CO
3 patents
US4086000A
Apr 25, 1978
Viewfinder optics with zero power doublet
BELL & HOWELL CO
23 citations
80
US4062625A
Dec 13, 1977
Reflex copier lens
BELL & HOWELL CO
2 citations
60
US4060312A
Nov 29, 1977
Copier lens of reflex design
BELL & HOWELL CO
7 citations
60
DEVAR INC
1 patent
US4182956A
Jan 8, 1980
Optical light pen
DEVAR INC
42 citations
82