Hotchkiss v. Greenwood (JWB): Revision history

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26 January 2011

25 January 2011

  • curprev 20:2920:29, 25 January 2011 Josh Bradley talk contribs 3,085 bytes +3,085 Created page with "==The Case== *1841 – a patent was granted to Hotchkiss (and Davenport and Quincy) for a "new and useful improvement in making door and other knobs of all kinds of clay used in ..."