7 Utility Patents
#554 in Naperville, IL
#11,223 in Illinois
#291,062 in US
#598,868 in the World
Forward Citations = 815
Company Filing History:
American Telephone & Telegraph Co., At&t Bell Laboratories


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#554 in Naperville, IL
#11,223 in Illinois
#291,062 in US
#598,868 in the World
Company Filing History:


Get your Inventor Badge Today