Patent Holders
Company # of Patents as of 1999*
GE 50,837
IBM 32,498
Westinghouse 28,005
AT&T 24,578
GM 23,948
DuPont 23,559
Microsoft 1,125
3Com 220
Cisco Systems 98
America Online 11
Amazon.com 7
Yahoo 2
*Micropatent and www.thestandard.com
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