Reuben Hoar Library (Littleton)
346.7304/86
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346.7304/86
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346.7304/86
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Patent it yourself, your step-by-step guide to filing at the U.S. Patent Office, by David Pressman and Thomas J. Tuytschaevers
Patent law for the nonlawyer, a guide for the engineer, technologist, and manager, Burton A. Amernick
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