Individual holder
EWALD DAVID W
US·3 granted patents·26 citations·filing 1989–2019
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0185US10602725B1Modular habitat apparatuses for aquatic lifeEWALD DAVID W·Filed 2019·Granted Mar 31, 2020·5 cites·18 claims
- 0280US8640651B2Artificial fish habitat employing fish hiding unitsEWALD DAVID W·Filed 2009·Granted Feb 4, 2014·12 cites·9 claims
- 0336US4936584ATraining device for golfersEWALD DAVID W·Filed 1989·Granted Jun 26, 1990·9 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →