Inventor
LEFF JERRY
US7 patents
⚠️ This page may combine multiple inventors who share the name “LEFF JERRY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GREYHAWK SYSTEMS INC
5 patentsUS5080467AJan 14, 1992
Biphenyl derivatives for photostabilization in pulsed optical darkening apparatus and method
GREYHAWK SYSTEMS INC58 citations93
US5085506AFeb 4, 1992
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC23 citations90
US4818098AApr 4, 1989
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC18 citations71
US4799770AJan 24, 1989
Liquid crystal cell for image projections and method of operating same
GREYHAWK SYSTEMS INC11 citations68
US4969734ANov 13, 1990
Apparatus and method of forming and projecting high precision optical images
GREYHAWK SYSTEMS INC6 citations60