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Patents
Typewriting Machines Patents
Including Interposed Inking Device (e.g., Ribbon) For Record-medium Patents
Ribbon-feeding Mechanism Patents
For Feeding Ribbon Angularly To Print-line At Print-point Patents
Ribbon Fed Perpendicular To Print-line At Print-point Patents (Class 400/224.1)
Ribbon Fed Perpendicular To Print-line At Print-point Patents (Class 400/224.1)
Ribbon is full-page wide (Class 400/224.2)
There are no patents to show for this class.