DW

David F. Winchell

AT AT&T: 9 patents #2,000 of 18,772Top 15%
BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
EM Emc: 1 patents #1,879 of 3,345Top 60%
Overall (All Time): #419,318 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9323671 Managing enhanced write caching David W. Harvey, H. Austin Spang, IV, Gregory S. Schaffer 2016-04-26
4691347 Method and apparatus for controlling a conference Keith R. Stanley 1987-09-01
4653045 Interactive facility control arrangement Keith R. Stanley 1987-03-24
4635251 Meet-me conference with control capabilities Keith R. Stanley 1987-01-06
4550224 Method and apparatus for adding conferees to a conference 1985-10-29
4544804 Conference control transfer arrangement Diane E. Herr, Laddie E. Suk 1985-10-01
4540850 Method and apparatus for controlling a conference Diane E. Herr, Laddie E. Suk 1985-09-10
4529842 Automatic fault recovery arrangement Jacqueline Levy, Ranjana A. Medhekar 1985-07-16
4479211 Method and apparatus for controlling ports in a digital conference arrangement Ann H. Bass, Jeffery G. Blaschak, Mohamed A. Marouf, Paul W. Vancil 1984-10-23
4475189 Automatic interactive conference arrangement Diane E. Herr, Reinhard Metz, Laddie E. Suk, Paul Wiley 1984-10-02
4460807 Conference routing arrangement Howard A. Kerr 1984-07-17
4305045 Phase locked loop clock synchronizing circuit with programmable controller Reinhard Metz 1981-12-08