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David Israel Bookspan

📍 Philadelphia, PA: #2,553 of 4,834 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #2,963,345 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9754274 Single tag method for webpage personal customization David I. Brussin, Jeffrey J. Persch, Thomas William Janofsky, Luke Gabriel Walker 2017-09-05