Portfolio comparison
Process Systems Inc vs Minnesota Mining and Manufacturing Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Process Systems Inc
Patents indexed
1
Year range
1987
Most recent
1987
telecommunicationsindustrial_controlsoftwaresemiconductors
Top Patents1 enriched
US 4677614· 1987
Keeping a Data Loop Running When the Main Controller Fails
Activity by Decade
1980s1
Company B
Minnesota Mining and Manufacturing Co
Patents indexed
1
Year range
1979
Most recent
1979
materials-scienceadhesivesoffice-suppliesconsumer-goodspolymer-chemistry
Top Patents1 enriched
US 4166152· 1979
The Post-it Note Adhesive — Invented as a Failure That Stuck Around
Activity by Decade
1970s1
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