Document processing system having a straight line document path
Dual optical projection system for copying machines
Dual roll rotary microfilmer for 25x reduction or less
Duplex document copying
Duplex document handler
Duplex imaging apparatus
Duplex imaging system
Duplex printer and method of printing
Duplex recording method and apparatus for producing duplex print
Duplex reproduction machine
Duplex scanner
Duplex system and method for pre-collation copiers
Duplex/simplex precollation copying system
Duplexing in automatic document feeder utilizing a path...
Duplexing in automatic document feeder utilizing a path...
Electrophotographic simultaneous double printing system
Film number writing system
Frictionless vacuum feeder for book copying
High productivity method and apparatus for scanning simplex or d
Image copier having enhanced duplex capabilities; method of...