5 Utility Patents
#198 in Wheaton, US
#15,644 in
#397,698 in US
#826,892 in the World
Forward Citations = 132
Company Filing History:

American Telephone & Telegraph Co., At&t Bell Laboratories
Get your Inventor Badge Today
#198 in Wheaton, US
#15,644 in
#397,698 in US
#826,892 in the World
Company Filing History:

Get your Inventor Badge Today