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Encyclopedia Dubuque

www.encyclopediadubuque.org

"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN

Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.




PATENTS: Revision history

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30 October 2019

5 March 2018

24 April 2017

25 January 2016

21 February 2014

24 December 2008

18 November 2008

17 August 2008

28 July 2008

  • curprev 18:2818:28, 28 July 2008Randylyon talk contribs 2,930 bytes +2,930 New page: PATENTS. Exclusive rights given by the government to an inventor to manufacture, use, and sell an invention for a certain number of years. While many brewers showed little interest in pate...