Portfolio comparison
Moleculon Research Corp vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Moleculon Research Corp
Patents indexed
1
Year range
1972
Most recent
1972
mechanicalconsumer_electronics
Top Patents1 enriched
US 3655201· 1972
How the 2x2x2 Magnetic Puzzle Cube Works
Activity by Decade
1970s1
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
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