|
US3198307A
|
|
Typewriter ribbon spool
|
|
GB1049634A
|
|
Multi-uniform and variable pitch escapement mechanism for typewriters
|
|
US3199389A
|
|
Card notcher
|
|
US3174609A
|
|
Two stage combination cam and spring powered case shift mechanism
|
|
US3197012A
|
|
Automatic carriage controlled line space setting device for typewriters
|
|
US3212616A
|
|
Space and repeat space bar mechanism for an electric typewriter
|
|
US3194379A
|
|
Ribbon feed mechanism
|
|
US3190429A
|
|
Space bar line lock and escapement interlock mechanism
|
|
US3165184A
|
|
Coil spring clutch with centrifugal operator
|
|
US3149710A
|
|
Method for producing justified typewritten copy and device for practicing same
|
|
US3201782A
|
|
Code to code converters
|
|
US3174611A
|
|
Ribbon handling mechanism
|
|
US3190430A
|
|
Ribbon handling mechanism
|
|
US3180183A
|
|
Drilling machine with laterally indexable head
|
|
US3191740A
|
|
Keylever signal storing mechanism
|
|
US3168181A
|
|
Type action
|
|
US3207283A
|
|
Type bar action
|
|
US3195707A
|
|
Keylever signal storing mechanism
|
|
US3201780A
|
|
Code to code converters
|
|
US3213195A
|
|
Codeprinter apparatus
|
