W. John Denkmann has been granted 8 US patents while listed as an inventor at AT&T . The first was granted in 1987 and the most recent in May 2010. W. John Denkmann ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list W. John Denkmann in Carmel, IN, US.
Patents per Year Patents granted per year, 1987 to 2010 Bar chart with a peak of 2 patents in 1989. peak 2 1987: 1 patents 1987 1989: 2 patents 1989 1993: 2 patents 1993 1996: 1 patents 1996 1998: 1 patents 1998 2010: 1 patents 2010
Issued Patents All Time
Profile Widget
Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date
RE41311 High frequency electrical connector Willard A. Dix , William T. Spitz 2010-05-04
D389726 Display unit for an icon symbol for use with a telephone modular connector Jaime Ray Arnett 1998-01-27
D366205 Face plate including icon display unit(s) Jaime Ray Arnett 1996-01-16
5226835 Patch plug for cross-connect equipment Frank P. Baker, III , Golam M. Choudhury , Willard A. Dix , Lyndon D. Ensz , William T. Spitz 1993-07-13
5186647 High frequency electrical connector Willard A. Dix , William T. Spitz 1993-02-16
4865564 Wall mounted connecting block Leonard H. Drexler , Ronald H. Guelden , William T. Spitz 1989-09-12
4820192 Connecting block construction Leonard H. Drexler , Ronald H. Guelden , William T. Spitz 1989-04-11
4650269 Modular plug connector Paul R. Gustin , George W. Reichard, Jr. 1987-03-17
