Inventor · disambiguated record
Ethel Chao
Also filed as: CHAO ALBERT · CHAO ETHEL
4 granted patents·1 pending application·257 citations·filing 1974–2008
82Inventor score
Top patents by PatentIndex Score
5 records- 0197US4173201AIlluminated collar for pets and the likeCHAO ALBERT·Filed 1977·Granted Nov 6, 1979·122 cites·1 claims
- 0288US7578085B1Solar powered address indicator with rechargeable and replaceable batteriesCHAO ALBERT·Filed 2008·Granted Aug 25, 2009·13 cites·20 claims
- 0388US4028828ALighting display systemCHAO ALBERT·Filed 1976·Granted Jun 14, 1977·54 cites·2 claims
- 0486US3937320ALighted jewelry boxCHAO ALBERT L·Filed 1974·Granted Feb 10, 1976·68 cites·1 claims
- 0556US2008005943A1Solar powered illuminated sign having at least one interchangeable characterCHAO ALBERT·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ethel Chao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →