Assignee
YANG CHANGAI
CN·4 granted patents·0 citations·filing 2023–2023
Top patents by PatentIndex Score
4 records- 0126USD1101334SBroom and dustpan setYANG CHANGAI·Filed 2023·Granted Nov 4, 2025·0 cites·1 claims
- 0226USD1101335SBroom and dustpan setYANG CHANGAI·Filed 2023·Granted Nov 4, 2025·0 cites·1 claims
- 0326USD1100400SBroom and dustpan setYANG CHANGAI·Filed 2023·Granted Oct 28, 2025·0 cites·1 claims
- 0426USD1088384SBroom and dustpan setYANG CHANGAI·Filed 2023·Granted Aug 12, 2025·0 cites·1 claims
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