J. Mark Dammrose

AT AT&T: 2 patents #7,280 of 18,772Top 40%

📍 Woodinville, WA: #665 of 1,504 inventorsTop 45%

🗺 Washington: #27,877 of 76,902 inventorsTop 40%

Overall (All Time): #1,553,370 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8204175	Electronic surveillance via correlation of call legs	—	2012-06-19
7068759	Electronic surveillance via correlation of call legs	—	2006-06-27
7050563	Call path reduction via correlation of call legs in a hairpin loop scenario	—	2006-05-23