U.S. Design Patent 281,246 (USD281246S)

Provided by the ASK Keyboard Patents database

A patent drawing of IBM's Keyboard from its top-right perspective
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NameKeyboard
InventorsLouis E. Lenzi, Jr.
AssigneesIBM Information Products
DescriptionAn ornamental design depicting the IBM 104-key Converged Keyboard (Model F) for the IBM 3290 Information Panel and 5080 Graphics System.