Assignee

JOHNSON THOMAS J

US·2 granted patents·37 citations·filing 1990–2015

Technology mixH01P1 H03F1 H03J1

Top patents by PatentIndex Score

2 records

0176US5164991AVariable input amplified speaker with improved power input sectionJOHNSON THOMAS J·Filed 1990·Granted Nov 17, 1992·36 cites·7 claims
0260US9935349B2Tunable evanescent-mode cavity filter with closed loop controlJOHNSON THOMAS J·Filed 2015·Granted Apr 3, 2018·1 cites·18 claims

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