Historical Document · 1984
US Patent 4,430,531: Snap Disc Keyboard (Hewlett-Packard, Voyager)
The Voyager series' snap-disc keyboard: filed 15 March 1982, granted 7 February 1984.
Historical Document · 1984
The Voyager series' snap-disc keyboard: filed 15 March 1982, granted 7 February 1984.