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From
Jan 3, 1984
To
Dec 25, 2012
Software, and non-software Electrical Patents
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
0
500
1,000
1,500
2,000
1985
1990
1995
2000
2005
2010
1m
3m
6m
YTD
1y
All
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cite as :--
http://www.global-patent-quality.com/GRAPHS/SoftElec.htm