7 Utility Patents
#21 in DeKalb, IL
#10,858 in Illinois
#281,160 in US
#576,745 in the World
Forward Citations = 319
Company Filing History:


American Telephone & Telegraph Co., At&t Bell Laboratories
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#21 in DeKalb, IL
#10,858 in Illinois
#281,160 in US
#576,745 in the World
Company Filing History:


Get your Inventor Badge Today