Portfolio comparison
William F. Semple vs BP Corp North America
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
BP Corp North America
Patents indexed
1
biotechenergypharmaceuticalfood_and_beverageindustrial_biotechnology
Top Patents1 enriched
US 20170088845
CRISPR Tools for Engineering Fungal Genomes
How to use
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