WM

William Todd Marshall

AT AT&T: 1 patents #456 of 1,297Top 40%
Overall (2018): #194,028 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
9942411 Methods, systems, and products for voice-over internet protocol calls Douglas M. Nortz, Kadangode K. Ramakrishnan, Charles Robert Kalmanek, Jr., Partho Mishra 2018-04-10