RM

Robert E. Marshall

FT Fci Americas Technology: 12 patents #32 of 275Top 15%
BT Berg Technology: 5 patents #25 of 189Top 15%
Chevron: 3 patents #1,350 of 4,788Top 30%
Bank of America: 2 patents #1,774 of 5,361Top 35%
PE Pulse Engineering: 2 patents #17 of 60Top 30%
DL Dome Petroleum Limited: 1 patents #4 of 15Top 30%
University of Michigan: 1 patents #1,906 of 4,352Top 45%
EI Environmental Research Institute: 1 patents #35 of 80Top 45%
EC Elco Co.: 1 patents #8 of 31Top 30%
📍 Elizabethtown, PA: #6 of 136 inventorsTop 5%
🗺 Pennsylvania: #2,146 of 74,527 inventorsTop 3%
Overall (All Time): #145,792 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4455958 Drillship canopy J. Cam O'Rourke, Frank G. Bercha, G. Roger Pilkington 1984-06-26
4191940 Method and apparatus for analyzing microscopic specimens and the like Fabian C. Polcyn, H. Janney Nichols 1980-03-04