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Patents
Typewriting Machines Patents
For Line-spacing By Incremental Rotation Of Platen Patents
By Irregular Increments Of Platen Rotation (e.g., For Adjustment Of Platen Relative To Its Actuator, Etc.) Patents
Including Disconnecting Ratchet Wheel From Platen (e.g., Declutching Ratchet, Etc.) Patents
Via Frictional Engagement Of Periphery Of Cylindrical Member Patents
Friction Member(s) Acting On Inner Periphery Of Drum Patents (Class 400/560.1)
Friction Member(s) Acting On Inner Periphery Of Drum Patents (Class 400/560.1)
Pivotable member(s) (Class 400/560.2)
Expandable band or split ring (Class 400/561)
There are no patents to show for this class.