Elisha, Patrick N. I., pseud. **G,389a.31 Patent right oppression exposed; or, knavery detected. In an ad- dress, to unite all good people to obtain a repeal of the patent laws. Added, an alarming law case; also, reflections cn the patent laws. Illustrated with notes and anecdotes, by the editor. 2d edition. — Philadelphia, 1814. xi, (1), 189, (1) pp. 12°. An account of the contest between Elisha Tyson and Oliver Evans on the subject of patent rights.
 
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E302 — Evans, Oliver. — Tyson, Elisha. — Patents. _