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| Number | Title | Issue Date |
| 4196666 | Printing apparatus having print line visibility control A printing apparatus comprising a type carrier to travel along a print line on a printing paper, a plurality of printing hammers to be selectively driven to strike the printing paper against an inking ribbon and the inking ribbon against a platen in front... | 04/08/1980 |
| 4149809 | Typewriter spiral disc printer A rotatable disc type printer for use in conjunction with a typewriter having a movable carrier. The type element or characters are carried on radially extending petals and are arranged at varying distances from the center of disc rotation so as to define... | 04/17/1979 |
| 4147438 | Serial printer for typewriters, teleprinters and data processors A serial printer comprising a character carrier having a plurality of flexible leaf springs bearing characters on the extremities thereof. A desired character is selected by positioning the corresponding leaf spring to a printing position. A pushing mecha... | 04/03/1979 |
| 4063630 | Typewriter impact position adjustment mechanism A typewriter-printer includes a single element printing mechanism which is pivotable about the center line of the curved platen to an optimum print line viewing position. Printing can thus take place, for example, along a print line located below the cent... | 12/20/1977 |
| 4037706 | Composite print wheel A print element for an impact printer comprising a metal alloy insert member having a plurality of beams extending radially outward from a center section having an opening in the center thereof and a plurality of apertures spaced around the center opening... | 07/26/1977 |
| 3990560 | Automatic media thickness compensator for a printer A carriage having a print head thereon is traversed along a platen to enable the print head to print along a line of printing in a serial-type printer. The print head moves with the carriage and is also mounted thereon for independent movement towards and... | 11/09/1976 |
| 3983985 | Typing device of flexible laminae with guide means and visibility A typing device comprises a character-bearing disc having a central part for being fixed on a selector shaft and a peripheral rim with a plurality of selectable flexible laminae. Each lamina carries a particular character and striking means flexes the sel... | 10/05/1976 |
| 3973486 | Printer A printer comprising a supporting structure and a print disc having a curved peripheral surface with characters formed thereon. The print disc is mounted on the supporting structure for rotation about a rotational axis. Paper is moved over the peripheral ... | 08/10/1976 |
| 3944052 | Single element flexible type drum A type drum comprising a shell formed as an open network of rows and columns with type characters being formed at the intersections thereof, the shell being attached at one end by struts to a hub located within the shell and spaced therefrom and a combina... | 03/16/1976 |
