Inventor
KAHN FREDERIC J
US11 patents
⚠️ This page may combine multiple inventors who share the name “KAHN FREDERIC J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GREYHAWK SYSTEMS INC
8 patentsUS5056895AOct 15, 1991
Active matrix liquid crystal liquid crystal light valve including a dielectric mirror upon a leveling layer and having fringing fields
GREYHAWK SYSTEMS INC249 citations97
US5080467AJan 14, 1992
Biphenyl derivatives for photostabilization in pulsed optical darkening apparatus and method
GREYHAWK SYSTEMS INC58 citations93
US5140448AAug 18, 1992
Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers
GREYHAWK SYSTEMS INC25 citations90
US5085506AFeb 4, 1992
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC23 citations90
US5138368AAug 11, 1992
Fabrication of printed wiring boards by projection imaging
GREYHAWK SYSTEMS INC35 citations89
US4818098AApr 4, 1989
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC18 citations71
US5116110AMay 26, 1992
Partially coherent optical system with scattering type object
GREYHAWK SYSTEMS INC5 citations61
US4969734ANov 13, 1990
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC6 citations60