Patents, copyrights, and trade-marks,

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Bibliographic Details
Author / Creator:Elfreth, W. Henry (William Henry)
Imprint:New York, Baker, Voorhis & Co., 1913.
Description:261 p. illus., 2 pl. (1 col.) 21 cm.
Language:English
Series:History of technology preservation project ; (MN 01730.6).
Subject:Patents -- United States
Copyright -- United States
Trademarks -- United States
Copyright.
Patents.
Trademarks.
United States.
Format: Microform Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/1471904
Hidden Bibliographic Details
Notes:Microfilm. Chicago : University of Chicago Library, 1993. 1 microfilm reel ; 35 mm. (MN 01730.6).
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