US4929099A
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Multi-line serial printer
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US5003415A
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Adaptive head positioning servo-mechanism
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US4653946A
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Adaptive electronic control system for formed character printer
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US4570919A
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Selector for multibin sheet feeder
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US4536867A
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Self-centering disc
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US4569606A
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Printer apparatus
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US4611802A
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Paper feeder
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US4721895A
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Multi-speed analog servo
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US4575069A
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Sheet feeding mechanism
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US4426166A
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Modular printer with coded plug compatible modules
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US4502800A
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Daisywheel printer
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US4428695A
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Cartridge with self adjusting pressure roller and end of ribbon detection means
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US4444385A
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Sheet feeder
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US4402623A
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Apparatus for dynamically adjusting paper tension in a linear manner
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DE3130812A1
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Control arrangement for the platen of a printer
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CH647200A5
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Typewriter.
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US4324500A
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Means to inhibit paper feed during carriage or print wheel movement
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GB2072388A
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Printing apparatus
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GB2111720A
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Servo-system
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US4324498A
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Multiple index printwheel
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