Portfolio comparison
Sperry Corp vs Coulter Pharmaceutical Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Sperry Corp
Patents indexed
1
Year range
1985
Most recent
1985
softwaretelecommunicationsconsumer_electronics
Top Patents1 enriched
US 4558302· 1985
How Computers Compress Data Using Dictionary Building
Activity by Decade
1980s1
Company B
Coulter Pharmaceutical Inc
Patents indexed
1
Year range
1997
Most recent
1997
biotechpharmaceutical
Top Patents1 enriched
US 5595721· 1997
Using Radioactive Antibodies to Treat B-Cell Lymphoma
Activity by Decade
1990s1
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