Patent caveat: Revision history


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18 June 2020

1 May 2020

30 September 2019

14 March 2018

26 September 2016

24 February 2016

20 February 2016

14 November 2015

30 December 2014

29 December 2014

19 July 2013

  • curprev 22:3222:32, 19 July 2013PBS-AWB talk contribs 3,783 bytes +15 modification to {{Cite Americana}}, replaced: <references/> → {{reflist}}, {{Cite Americana| → {{Cite Americana|wstitle=, External links == * [http://z.about.com/d/inventors/1/7/r/X/graypatent.gif Elisha Gray's telephon using AWB undo

25 April 2013

17 March 2013

26 February 2013

10 February 2013

15 March 2012

25 February 2012

14 January 2012

10 January 2012

8 January 2012

7 January 2012

  • curprev 18:3018:30, 7 January 2012Harryzilber talk contribs 3,407 bytes +819 Removed: " and did not entail an additional lawyer's fee for drafting claims". There was NO requirement to hire a lawyer to file a formal patent application. Also provided other elaborations and edits –this is not an Antonio Meucci article. undo

20 December 2011

14 December 2011

28 December 2010

8 July 2010

27 May 2010

2 August 2009

19 July 2009

30 June 2009

4 May 2009

14 February 2009

17 November 2008

5 October 2008

9 May 2007

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