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1.

PATENT GUIDE FOR THE INVENTOR. What You Should Know About Invention.

Clarence A. O'Brien, Registered Patent Attorney, Washington, D.C.
(Montague, MA, U.S.A.)
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Book Description: Book Condition: Cover soiled, VG. Copyright 1934. Reprint 1940. 48 pages. Drawings of patent process, papers, inventors, jacknife, flashlight, can opener, pencil sharpener, fountain pen, corkscrew, mechanical movements, novelties, photos of office, patent bureau. 12x9", printed wrapper. Bookseller Inventory # 50030

2.

PATENT GUIDE FOR THE INVENTOR.

Clarence A. O'Brien & Harvey B. Jacobson, Registered Patent Attorneys, Washington, D.C.
(Montague, MA, U.S.A.)
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Book Description: Copyright 1943. 48 pages. Drawings of patent process, inventors, jacknife, flashlight, can opener, pencil sharpener, fountain pen, corkscrew, mechanical movements, &c. 11.75x9", printed wrapper. Cover pulled from top staple, bit creased, soiled, small puncture hole in last 5 pages, G. Bookseller Inventory # 44548

3.

TRADEMARKS AND THEIR PROTECTION - PATENTS.

O'Brien, Clarence A., Registered Patent Attorney, Washington, D.C.
(Montague, MA, U.S.A.)
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Book Description: Book Condition: VG. Copyright 1926. 36 pages. 150 trademarks in margins, few photos of author, headquarters, office work, patent drawings, scene in grocery store, billboarded urban square. 9x6'', embossed color wrapper. Bookseller Inventory # 31270

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3 Results (Displaying results 1 - 3)
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