John Mark Ritchey

AT AT&T: 1 patents #10,626 of 18,772Top 60%

📍 Burlington, NC: #115 of 226 inventorsTop 55%

🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%

Overall (All Time): #3,457,388 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6937823	Method for preventing lasing in an optical ring network	John G. Israel, Gerard Lingner, III, Singanallur R. Thangavelu, William A. Thompson	2005-08-30