Portfolio comparison
John L. Mason vs Stratasys Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
Company B
Stratasys Inc
Patents indexed
1
Year range
1992
Most recent
1992
manufacturingmechanicalsoftwareconsumer_electronicsmaterials
Top Patents1 enriched
US 5121329· 1992
How Machines Build 3D Objects Layer by Layer from Melting Plastic
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.