Portfolio comparison
Pilkington Brothers Ltd vs Invoca Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Pilkington Brothers Ltd
Patents indexed
1
Year range
1959
Most recent
1959
mechanicalmaterialsautomotiveconsumer_electronics
Top Patents1 enriched
US 2911759· 1959
How the Float Glass Process Makes Perfectly Flat Window Panes
Activity by Decade
1950s1
Top Patents1 enriched
US 11521601· 2022
How AI Cleans Up Irrelevant Topics in Recorded Phone Calls
Activity by Decade
2020s1
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