|
US1914885A
|
|
Shock absorbing mechanism for typewriting machines
|
|
US1909671A
|
|
Pedestal pad
|
|
US1904862A
|
|
Toll posting machine
|
|
US1787573A
|
|
Brake mechanism for typewriting machines
|
|
US1861210A
|
|
Line space mechanism for typewriting machines
|
|
US1840630A
|
|
Recording and card punching machine
|
|
US1904127A
|
|
Automatic electric writing-computing machine
|
|
US1702834A
|
|
Carbon set or pile
|
|
US1666140A
|
|
Form-locating means
|
|
US1679835A
|
|
Double-platen manifolding machine
|
|
US1909148A
|
|
Toll posting machine
|
|
US1687332A
|
|
Continuous-feed platen
|
|
US1625802A
|
|
Toll-slip platen
|
|
US1757154A
|
|
Triple-hinge index unit
|
|
US1677971A
|
|
Carbon roll and core for manifolding machines
|
|
US1691236A
|
|
Flat-platen typewriter
|
|
US1730567A
|
|
Flat-platen moving and controlling means
|
|
US1595181A
|
|
Type action
|
|
US1618075A
|
|
Type bar
|
|
US1729166A
|
|
Public service-posting machine
|
