Portfolio comparison
Pilkington Brothers Ltd vs Merck and Co 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 4231938· 1980
The Discovery of Lovastatin for Lowering Cholesterol
Activity by Decade
1980s1
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