TB

Theodore O. Burger

AT AT&T: 1 patents #10,626 of 18,772Top 60%
Overall (All Time): #3,763,700 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5388153 Apparatus and method for detecting telephone line status John A. Karpicke, Donald Marion Keen, Donald R. Means, Thomas Anthony Stahl, Brian Albert Wittman 1995-02-07