30 Utility Patents
#16 in St. Charles, IL
#1,553 in Illinois
#47,705 in US
#92,263 in the World
Forward Citations = 377
Company Filing History:


American Telephone & Telegraph Co., At&t Bell Laboratories
4. 1 out of 1,943

5. 1 out of 4,206

where one patent can have more than one assignee
Get your Inventor Badge Today