DJ

Douglas T. Main, Jr.

SR Sperry Rail: 2 patents #5 of 12Top 45%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
📍 Berkeley Heights, NJ: #439 of 1,035 inventorsTop 45%
🗺 New Jersey: #23,480 of 69,400 inventorsTop 35%
Overall (All Time): #1,611,447 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6600999 Hi-rail vehicle-based rail inspection system Robin Clark, Jeffery L. Boyle, Brewster W. LaMacchia 2003-07-29
6476603 Brush assembly for magnetic induction test apparatus Robin Clark 2002-11-05
5593116 Hose retractor Martin C. Pettesch, Robert J. Milo 1997-01-14