Assignee
CHAO HAO CHIEN
US·4 granted patents·138 citations·filing 1997–2003
Top patents by PatentIndex Score
4 records- 0190US6855040B2Ergonomically friendly orbital sander constructionCHAO HAO CHIEN·Filed 2003·Granted Feb 15, 2005·39 cites·41 claims
- 0287US6328643B1Ergonomically friendly random orbital sander constructionCHAO HAO CHIEN·Filed 2000·Granted Dec 11, 2001·26 cites·16 claims
- 0379US6257970B1Ergonomically friendly random orbital constructionCHAO HAO CHIEN·Filed 1999·Granted Jul 10, 2001·46 cites·39 claims
- 0472US6004197AErgonomically friendly random orbital sander constructionCHAO HAO CHIEN·Filed 1997·Granted Dec 21, 1999·27 cites·21 claims
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