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Jon J. Showers

📍 Glenolden, PA: #31 of 44 inventorsTop 75%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,791,145 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5287641 Collectible card device — 1994-02-22