Individual holder
HILL DAVID S
US·4 granted patents·14 citations·filing 2011–2015
Individually held — no corporate assignee on record.
Technology mixA01K4
Top patents by PatentIndex Score
4 records- 0179US9655345B1Tilting feederHILL DAVID S·Filed 2015·Granted May 23, 2017·3 cites·14 claims
- 0277US8893659B1Hummingbird feeding apparatusHILL DAVID S·Filed 2013·Granted Nov 25, 2014·5 cites·15 claims
- 0372US9192148B1Apparatus for feeding birdsHILL DAVID S·Filed 2014·Granted Nov 24, 2015·3 cites·20 claims
- 0469US8387567B1Hummingbird feeding apparatusHILL DAVID S·Filed 2011·Granted Mar 5, 2013·3 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →