Dvorak Patent Spec
$5.00
See below for more product details.
Shipping is Extra: Charged at actual cost, calculated at checkout.
Category: Dvorak Keyboard
Description
U.S. Patent #2,040,248, Typewriter Keyboard, 1936, by August Dvorak, et al. The keyboard’s original patent specification, with rationale about the design. 8 pages includes all diagrams from original.