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Patents
Typewriting Machines Patents
For Line-spacing By Incremental Rotation Of Platen Patents
To Facilitate Condensed Billing (i.e., By Determining A Desired Limit Or Amount Of Retrograde Or Advance Platen Movement) Patents
Including Stop Structure (e.g, Traveling Stop, Etc.) Patents
For Arresting Platen At Limit Of Both Retrograde And Advance Movement Patents (Class 400/547.1)
For Arresting Platen At Limit Of Both Retrograde And Advance Movement Patents (Class 400/547.1)
By stop travelling in a rectilinear path (Class 400/547.2)
By lever or push-rod drive for platen (Class 400/547.3)
Via gear drive (Class 400/547.4)
Including lever on axis transverse to platen axis (Class 400/547.5)
Including relatively adjustable coaxial gear segments (Class 400/547.6)
Via pawl and ratchet wheel drive (Class 400/547.7)
With spring motor (Class 400/547.8)
There are no patents to show for this class.