Individual holder
CHENG CHIUN J
TW·3 granted patents·93 citations·filing 1988–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0175US5294158ACollapsable handcartCHENG CHIUN J·Filed 1993·Granted Mar 15, 1994·51 cites·4 claims
- 0252US4858940AStairway accessible carry cart with foldaway wheelsCHENG CHIUN J·Filed 1988·Granted Aug 22, 1989·26 cites·1 claims
- 0344US5351984ATrolley with improved telescopic handlesCHENG CHIUN J·Filed 1993·Granted Oct 4, 1994·16 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →