Inventor · disambiguated record
Ewan Chi Yuen Cheung
Also filed as: CHEUNG EWAN CHI YUEN
4 granted patents·2 citations·filing 1998–1998
59Inventor score
Files withINTER ORIENTAL PYROTECHNIC LTD4
Top patents by PatentIndex Score
4 records- 0123USD412731SPyrotechnic rocketINTER ORIENTAL PYROTECHNIC LTD·Filed 1998·Granted Aug 10, 1999·1 cites·1 claims
- 0222USD409709SPyrotechnic rocketINTER ORIENTAL PYROTECHNIC LTD·Filed 1998·Granted May 11, 1999·1 cites·1 claims
- 0320USD414836SPyrotechnic rocketINTER ORIENTAL PYROTECHNIC LTD·Filed 1998·Granted Oct 5, 1999·0 cites·1 claims
- 0420USD412961SPyrotechnic rocketINTER ORIENTAL PYROTECHNIC LTD·Filed 1998·Granted Aug 17, 1999·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →