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GRAPHIC TRANSMISSION SYSTEMS Inc

GRAPHIC TR
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2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3530385A Stabilization circuit for the mean level of a three level w… Expired / Lapsed 1969-04-29 1970-09-22 0 Details
US3495032A Bandwidth reduction system Expired / Lapsed 1968-10-07 1970-02-10 0 Details