Inventor
NEPPER ROBERT F
US4 patents
Patents
4 patentsUS4008962AFeb 22, 1977
Color printing method
MINNESOTA MINING & MFG14 citations68
US4292530ASep 29, 1981
Developer material level sensor
MINNESOTA MINING & MFG11 citations67
US4523836AJun 18, 1985
Continuous copier
MINNESOTA MINING & MFG3 citations55
US4494860AJan 22, 1985
Control circuitry for a continuous copy machine
MINNESOTA MINING & MFG0 citations39