WP

William E. Pinnell

PR Protel: 3 patents #3 of 19Top 20%
Overall (All Time): #1,633,642 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5903629 Apparatus and method for automated audio teleconferencing having enhanced reconfiguration features James H. Campbell, IV 1999-05-11
5828743 Apparatus and method for automated audio teleconferencing having enhanced access and security features James H. Campbell, IV 1998-10-27
5719928 Apparatus and method for automated audio teleconferencing having enhanced billing and reservation features James H. Campbell, IV 1998-02-17