8 Utility Patents
#478 in Naperville, IL
#9,634 in Illinois
#253,452 in US
#518,164 in the World
Forward Citations = 816
Company Filing History:
American Telephone & Telegraph Co., At&t Bell Laboratories


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#478 in Naperville, IL
#9,634 in Illinois
#253,452 in US
#518,164 in the World
Company Filing History:


Get your Inventor Badge Today