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John O. Schaefer

IBM

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Publication

Featured researches published by John O. Schaefer.

Archive | 1980

Typewriter cartridge and feed mechanism therefor

John O. Schaefer

Archive | 1970

FEED SYSTEM FOR AN ADHESIVE RIBBON OR THE LIKE

Frank J. Korb; John O. Schaefer

Archive | 1980

Cartridge for correction media or tacky tape with a wrap spring

Thomas R. Field; Peter Frank Jagodzinski; James Foster King; John O. Schaefer

Archive | 1970

AUTOMATIC ERASE MECHANISM

Ronald V. Davidge; Clayton J. Davis; Selahattin A. Okcuoglu; John O. Schaefer

Archive | 1982

Ribbon feed mechanism and correction tape feed mechanism for a typewriter

John O. Schaefer

Archive | 1988

Automatic wiring network fabricator

John O. Schaefer

Archive | 1984

Spliceless ribbon structure having leader and trailer and method of manufacture therefor

John O. Schaefer

Archive | 1972

ERASE RIBBON FEED

Robert W. Lehnhardt Jr.; John O. Schaefer

Archive | 1968

Clutch with impact inertia brake

John O. Schaefer

Archive | 1966

Automatic sequence typing mechanism for printing words upon depression of a single key

John O. Schaefer

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Edwin James Lenney

IBM

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Clayton J. Davis

IBM

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Frank J. Korb

IBM

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James Alexander Craft

IBM

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James Foster King

IBM

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Peter Frank Jagodzinski

IBM

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Robert F. McDaniel

IBM

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Robert W. Lehnhardt Jr.

IBM

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Ronald V. Davidge

IBM

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Selahattin A. Okcuoglu

IBM

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