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Patents
Typewriting Machines Patents
Including Interposed Inking Device (e.g., Ribbon) For Record-medium Patents
Ribbon-reversing Mechanism Patents
Alternative Gear Drive Including Gear Directly Connected To Spool Or Spindle Patents
And Gears Mounted On Ends Of Axially Shiftable Common Shaft Patents (Class 400/221.1)
And Gears Mounted On Ends Of Axially Shiftable Common Shaft Patents (Class 400/221.1)
There are no patents to show for this class.