9 Utility Patents
#418 in Naperville, IL
#8,427 in Illinois
#223,676 in US
#455,789 in the World
Forward Citations = 1,717
Company Filing History:
American Telephone & Telegraph Co., At&t Bell Laboratories


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#418 in Naperville, IL
#8,427 in Illinois
#223,676 in US
#455,789 in the World
Company Filing History:


Get your Inventor Badge Today