Portfolio comparison
Minnesota Mining and Manufacturing Co vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Minnesota Mining and Manufacturing Co
Patents indexed
2
Year range
1930 – 1979
Most recent
1979
materialsconsumer_electronics
Top Patents2 enriched
US 4166152· 1979
The Sticky Microscopic Beads Behind Post-it Notes
US 1760820· 1930
How Richard Drew Invented Modern Transparent Adhesive Tape
Activity by Decade
1930s1
1970s1
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
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