Portfolio comparison
William F. Semple vs Penn State Research Foundation
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
Company B
Penn State Research Foundation
Patents indexed
1
Year range
2017
Most recent
2017
biotechpharmaceutical
Top Patents1 enriched
US RE46290· 2017
Using the Drug TIC10 to Treat Brain Cancer
Activity by Decade
2010s1
How to use
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