|
US2361241A
|
|
Fruit paring and cutting mechanism
|
|
US2286649A
|
|
Fruit peeling machine
|
|
US2286648A
|
|
Fruit paring machine
|
|
US2224235A
|
|
Peeling apparatus
|
|
US1856886A
|
|
Synchronized sound and photography
|
|
US1812449A
|
|
Synchronized sound and photography
|
|
US1802480A
|
|
Sound-amplifying apparatus
|
|
US1747558A
|
|
Film-control mechanism for synchronized sound and motion pictures
|
|
US1777418A
|
|
Synchronized photography and sound
|
|
US1776045A
|
|
Electrical recorder reproducer
|
|
US1773601A
|
|
Electrical recording apparatus
|
|
US1645295A
|
|
Method and apparatus for plural recording and reproducing of sounds
|
|
CA190723A
|
|
Film controlled mechanism
|
|
CA190722A
|
|
Synchronizing mechanism
|
|
US1255823A
|
|
Synchronizing mechanism for motion-picture and sound-reproduncing machines.
|
|
US1254436A
|
|
Film-control mechanism for motion-picture and sound-reproducing means.
|
|
US1253533A
|
|
Sound-transmitting apparatus.
|
|
CA172534A
|
|
Stylus guide for sound records
|
|
US1255822A
|
|
Mechanism for controlling motion-picture and sound-reproducing mechanisms.
|
|
US1119317A
|
|
Sound-recording apparatus.
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