Portfolio comparison
Pilkington Brothers Ltd vs FED TRUST Co
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 775134· 1904
How King Gillette Invented the Modern Disposable Safety Razor
Activity by Decade
1900s1
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