10 Utility Patents
#43 in Oak Park, IL
#7,463 in Illinois
#199,983 in US
#406,146 in the World
Forward Citations = 357
Company Filing History:


American Telephone & Telegraph Co., At&t Bell Laboratories
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#43 in Oak Park, IL
#7,463 in Illinois
#199,983 in US
#406,146 in the World
Company Filing History:


Get your Inventor Badge Today