Portfolio comparison
Hovercraft Development Ltd vs UVP Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hovercraft Development Ltd
Patents indexed
1
Year range
1967
Most recent
1967
automotiveaerospacemechanicaltransportation
Top Patents1 enriched
US 3321037· 1967
How Hovercrafts Use Flexible Skirts to Ride on Air
Activity by Decade
1960s1
Company B
UVP Inc
Patents indexed
1
Year range
1986
Most recent
1986
manufacturingmechanicalmaterialssoftwareconsumer_electronics
Top Patents1 enriched
US 4575330· 1986
How 3D Printers Build Objects Layer by Layer from Liquid
Activity by Decade
1980s1
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