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Publication numberUS2040248 A
Publication typeGrant
Publication dateMay 12, 1936
Filing dateMay 21, 1932
Priority dateMay 21, 1932
Publication numberUS 2040248 A, US 2040248A, US-A-2040248, US2040248 A, US2040248A
InventorsAugust Dvorak, Dealey William L
Original AssigneeAugust Dvorak, Dealey William L
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Typewriter keyboard
US 2040248 A
Abstract  available in
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Description  (OCR text may contain errors)
Referenced by
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U.S. Classification400/486
International ClassificationB41J5/00, B41J5/10
Cooperative ClassificationB41J5/10
European ClassificationB41J5/10