William E. Pinnell — 3 Patents at Protel

William E. Pinnell has been granted 3 US patents while listed as an inventor at Protel. The first was granted in 1998 and the most recent in May 1999. William E. Pinnell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William E. Pinnell in Winter Haven, FL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
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

William E. Pinnell — 3 Patents

Issued Patents All Time

Patent Widget