Add this copy of Protecting Engineering Ideas and Inventions to cart. $9.95, very good condition, Sold by Lot O'Books VA rated 4.0 out of 5 stars, ships from Norfolk, VA, UNITED STATES, published 1989 by Penn Institute.
Add this copy of Protecting Engineering Ideas & Inventions-Third Edition to cart. $57.15, like new condition, Sold by Keeper of the Page rated 5.0 out of 5 stars, ships from Enumclaw, WA, UNITED STATES, published 1989 by Penn Institute.
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Seller's Description:
Fine. Good++ DJ. No Exp Penn Institute 1989 3rd Edition Dark blue boards. Bright glossy dust jacket with one mended chip on upper back and other manded tears. HEAVY ITEM.