|
US3188124A
|
|
Knob
|
|
US3134982A
|
|
Pin inserting machine
|
|
US3134167A
|
|
Component inserting equipment
|
|
US3143352A
|
|
Portable sound translating device
|
|
US3089347A
|
|
Filter
|
|
US3102324A
|
|
Insulated wire head
|
|
US3063664A
|
|
Hold-down device for phonographs and the like
|
|
US3103911A
|
|
Whistle
|
|
US2987320A
|
|
Record changing phonograph
|
|
US3070656A
|
|
Video amplifier
|
|
US3056064A
|
|
Transistor switch
|
|
US3034013A
|
|
Deflection circuit and amplifier therefor
|
|
US3013114A
|
|
Display device with contrast improving optical filter
|
|
US3047793A
|
|
Voltage regulator
|
|
US2999906A
|
|
Magnetic recorder head
|
|
US2969543A
|
|
Antenna for a signal-receiving device
|
|
US2885486A
|
|
Record playing apparatus
|
|
US2868471A
|
|
Tape recorder
|
|
US2994537A
|
|
Record changer
|
|
US2847862A
|
|
Multispeed friction drive mechanism
|
