Inventor
HOLDEN IRVING H
US12 patents
Patents
12 patentsUS5524061AJun 4, 1996
Dual mode transducer for a portable receiver
MOTOROLA INC75 citations96
US5327120AJul 5, 1994
Stabilized electromagnetic resonant armature tactile vibrator
MOTOROLA INC78 citations96
US5107540AApr 21, 1992
Electromagnetic resonant vibrator
MOTOROLA INC70 citations95
US4719322AJan 12, 1988
Radio housing and expandable chassis with integral keypad and acoustic speaker seal
MOTOROLA INC60 citations95
US5546069AAug 13, 1996
Taut armature resonant impulse transducer
MOTOROLA INC48 citations92
US5307508AApr 26, 1994
Shock isolation for selective call receivers
MOTOROLA INC24 citations92
US5023504AJun 11, 1991
Piezo-electric resonant vibrator for selective call receiver
MOTOROLA INC34 citations92
US5379032AJan 3, 1995
Impulse transducer enunciator
MOTOROLA INC21 citations89
US5552562ASep 3, 1996
Inertial acoustic pickup
MOTOROLA INC10 citations73
US4545639AOct 8, 1985
Movable electrical contact capable of accommodating devices exhibiting a plurality of different sizes
MOTOROLA INC8 citations73
US4602311AJul 22, 1986
Static protective housing
MOTOROLA INC3 citations62
US4583774AApr 22, 1986
Battery door latching mechanism
MOTOROLA INC4 citations62