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GS
Geoffrey Stemp
BP
Beecham Group Plc
: 1 patents #146 of 271
Top 55%
Overall (All Time):
#3,892,554
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Top 95%
1
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Patent #
Title
Co-Inventors
Date
5075460
Epoxybenzopyrans
John M. Evans
,
Frederick Cassidy
1991-12-24
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