1.	3,934,868	Top loading, continuous suction feeder attachment for printing apparatus
2.	4,437,657	Suction cup apparatus for feeding a sheet from the bottom of a stack
3.	4,592,542	Suction sheet separator apparatus with plural stack capability and suction control
4.	4,676,497	Sheet conveyor and cooperating roller
5.	4,712,783	Suction sheet separator with adjustable feed restraint and stack confinement
6.	4,714,242	Sheet feeding separator
7.	4,728,092	Suction control system for suction cup sheet feeding apparatus
8.	5,133,396	Label feeding machine
9.	5,263,699	Sheet feeder aligning apparatus
10.	5,769,408	Apparatus for feeding sheets