U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."

Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916

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Class 400/375.1 - Including plural coaxial snatch discs

Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein said continuously rotated cylindrical
No. of patents: 0