Portfolio comparison
Pilkington Brothers Ltd vs MAY B CORNWALL
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 1469997· 1923
A 1920s Design for a Suspended Monorail Transportation System
Activity by Decade
1920s1
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