Portfolio comparison
Parsons Corp vs Almon B. Strowger
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Parsons Corp
Patents indexed
1
Year range
1958
Most recent
1958
mechanicalmanufacturingaerospaceautomotive
Top Patents1 enriched
US 2820187· 1958
How Early Numerical Control Systems Automated Industrial Milling Machines
Activity by Decade
1950s1
Top Patents1 enriched
US 447918· 1891
How Almon Strowger Invented the Automatic Telephone Switch
Activity by Decade
1890s1
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