JR

John David Ritter

📍 Monroeville, PA: #445 of 710 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,312,081 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7849400 Electronic charting system Peter Julius Freymark, Joseph Howard Gatewood, Michael Jed Ginsburg, John Robert Previs, Evan Indianer +1 more 2010-12-07