Portfolio comparison
Covestro Deutschland AG vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Covestro Deutschland AG
Patents indexed
1
Year range
2024
Most recent
2024
consumer_electronicstelecommunicationsmaterials
Top Patents1 enriched
US 12086666· 2024
How to Make Reusable Plastic SIM Card Holders
Activity by Decade
2020s1
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
How to use
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