U.S. Design Patent 291,806 (USD291806S)

Provided by the ASK Keyboard Patents database

A patent drawing depicting IBM's Multiple control element unit for data processing apparatus from a front-right perspective
Google Patents
NameMultiple control element unit for data processing apparatus
InventorsRonald I. Conway, Samuel A. Lucente, II, David L. Schaum
AssigneesIBM
DescriptionAn ornamental design depicting an IBM 6094-010 Dials peripheral.