Assignee
PROGRESSIVE ELECTRONICS INC
US·7 granted patents·146 citations·filing 1976–1995
Top patents by PatentIndex Score
7 records- 0191US4143289ARotational field sensorPROGRESSIVE ELECTRONICS INC·Filed 1976·Granted Mar 6, 1979·46 cites·8 claims
- 0276US4820991AApparatus for determination of the location of a fault in communications wiresPROGRESSIVE ELECTRONICS INC·Filed 1988·Granted Apr 11, 1989·32 cites·8 claims
- 0357US4143251ACircuitry and method for locating buried cable splicesPROGRESSIVE ELECTRONICS INC·Filed 1977·Granted Mar 6, 1979·13 cites·11 claims
- 0455US5574769AInductive amplifier having automatic gain control for butt setPROGRESSIVE ELECTRONICS INC·Filed 1995·Granted Nov 12, 1996·23 cites·2 claims
- 0551US5577099AInductive amplifier having comb filterPROGRESSIVE ELECTRONICS INC·Filed 1995·Granted Nov 19, 1996·18 cites·8 claims
- 0648USD297715SInductive amplifierPROGRESSIVE ELECTRONICS INC·Filed 1985·Granted Sep 20, 1988·6 cites·1 claims
- 0735US5457441AInductive amplifier having two-terminal auto-on functionPROGRESSIVE ELECTRONICS INC·Filed 1993·Granted Oct 10, 1995·8 cites·18 claims
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