Portfolio comparison
Hymen L. Lipman vs CNH Amercia
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 19783· 1858
How the Pencil and Eraser Became One Tool
Activity by Decade
1850s1
Company B
CNH Amercia
Patents indexed
1
Year range
2012
Most recent
2012
agriculturesoftwareautomotiveautomationtelecommunications
Top Patents1 enriched
US 8296052· 2012
How Farm Vehicles Plant Evenly in Odd-Shaped Fields
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.