Portfolio comparison
Process Systems Inc vs Norton 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
Norton Co
Patents indexed
1
Year range
1995
Most recent
1995
materialsmanufacturingautomotiveconsumer_electronicsmechanical
Top Patents1 enriched
US 5401560· 1995
Making Strong, Stretchy Non-Slip Surfaces with E-Beam Cured Urethane
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.