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Donald K. Rex

IBM

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Publication

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Archive | 1981

FORMS FEED TRACTOR

Robert Wilson Cornell; Donald K. Rex

Archive | 1985

Printer having removable paper feed module

James K. Howes; Kenneth G. Kluvo; Donald K. Rex; Graham White

Archive | 1993

Platen to print head gap adjustment arrangement

Michael C. Campbell; Mohsen Marefat; Randall D. Mayo; Jeffrey H. Paterra; Tuyen V. Pham; Donald K. Rex; Kevin D. Schoedinger

Archive | 1965

Record card processing machine

Glen Franklin Nielsen; Donald K. Rex; Robert Ellsworth Schopp; Lawrence Adolphus Wilson

Archive | 1975

RIBBON LIFTING MECHANISM FOR A WIRE MATRIX PRINTER

Daniel Phillip Darwin; Donald K. Rex

Archive | 1982

Selective density printing using dot matrix print heads in fixed spatial relation

Frank R. Humphreys; Donald K. Rex

Archive | 1979

Ribbon shield for printer

Donald K. Rex

Archive | 1964

Print hammer drive mechanism

Roland D. Nelson; Donald K. Rex

Archive | 1958

Card punching machines

Henry A Jurgens; Donald K. Rex

Archive | 1988

Web feed mechanism and door with static protrusions

Donald K. Rex; James Patrick Ruse

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James K. Howes

IBM

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Robert Wilson Cornell

IBM

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Daniel Phillip Darwin

IBM

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Dennis Patrick Nash

IBM

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Glen Franklin Nielsen

IBM

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Henry A Jurgens

IBM

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John Mark Choberka

IBM

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Lawrence Adolphus Wilson

IBM

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Ludwig Raphael Siegl

IBM

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Robert Ellsworth Schopp

IBM

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