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Gylling and Co AB

Gylling an
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4072986A Message synthetizer Expired / Lapsed 1975-08-01 1978-02-07 5 Details
US3801743A Device for automatically establishing connections from a se… Expired / Lapsed 1972-06-20 1974-04-02 7 Details
US3461240A Amplifier with two separate channels Expired / Lapsed 1966-11-07 1969-08-12 0 Details
US3392243A Two-way speech amplifier Expired / Lapsed 1963-06-18 1968-07-09 2 Details