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

"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"

The Quarterly Review ; March edition, 1825

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Class 147/39 - Chisel cutter

Subclass of Class 147 - Coopering
Definition: Lathe-like machines exclusively adapted for forming barrel-heads.
No. of patents: 0