EW

Evan C. Wilfong

ED Equipment Systems & Devices: 2 patents #1 of 2Top 50%
📍 Philadelphia, PA: #9 of 143 inventorsTop 7%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #28,054 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4828096 Coin slide Harvey S. Gitlin 1989-05-09
4802566 Coin slide guard Harvey S. Gitlin 1989-02-07