Hilliard, John H., b. 1881. Text-book of the law of patents for inventions. New York: Baker, Voorhis. 1917; Patents & Trademarks; clxxxv, 1098 p., [1] leaf of plates: port. 24 cm. by Albert H. Walker; 5th ed. / by John H. Hilliard and Eugene Eblâe.
Hilliard, John H., b. 1881. Text-book of the law of patents for inventions. New York: Baker, Voorhis. 1917; Patents & Trademarks; clxxxv, 1098 p., [1] leaf of plates: port. 24 cm. by Albert H. Walker; 5th ed. / by John H. Hilliard and Eugene Eblâe.
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