Inventor
SIEGL LUDWIG R
US4 patents
Patents
4 patentsUS4261039AApr 7, 1981
Microprocessor controlled positioning system
IBM38 citations86
US4441077AApr 3, 1984
Real time eddy current responsive Hall effect device tachometer
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US4643601AFeb 17, 1987
Ribbon positioning mechanism
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US4353298AOct 12, 1982
Partial line turnaround for printers
IBM10 citations66