Inventor
LIBBY EDWIN L
3 patents
Patents
3 patentsUS4426153AJan 17, 1984
Apparatus for the reduction of image intensity variations in a continuously variable reducing copier
IBM50 citations89
US4165168AAug 21, 1979
Electrophotographic document copier machine with modular paper path assembly
IBM29 citations79
US4116562ASep 26, 1978
Optical system featuring change in magnification by combined lens and mirror motion
IBM7 citations69