9 Utility Patents
#20 in Center Valley, US
#8,105 in
#222,224 in US
#452,133 in the World
Forward Citations = 203
Company Filing History:


American Telephone & Telegraph Co., At&t Bell Laboratories
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#20 in Center Valley, US
#8,105 in
#222,224 in US
#452,133 in the World
Company Filing History:


Get your Inventor Badge Today