exact
DIAL-O-VERTER
exact
DIAL-O-VERTER
Trademarks matching 'dial-o-verter'
Summary of page content
1962-04-05
750142
1963-05-28
US
-
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
couplers for conversion and checking of data transmitted between motor operated magnetic and punched paper tape readers and serial data utilization devices
2020-05-31
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