5 Utility Patents
#107 in Glen Ellyn, IL
#15,648 in Illinois
#397,941 in US
#827,581 in the World
Forward Citations = 474
Company Filing History:
American Telephone & Telegraph Co., At&t Bell Laboratories

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#107 in Glen Ellyn, IL
#15,648 in Illinois
#397,941 in US
#827,581 in the World
Company Filing History:

Get your Inventor Badge Today