11 Utility Patents
#46 in Lisle, IL
#6,683 in Illinois
#179,574 in US
#363,721 in the World
Forward Citations = 325
Company Filing History:


Other
4. 1 out of 386

5. 1 out of 745
American Telephone & Telegraph Co., At&t Bell Laboratories
where one patent can have more than one assignee
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