Assignee
CHENG CHIUN JER
TW·3 granted patents·156 citations·filing 1991–1993
Technology mixB62B3
Top patents by PatentIndex Score
3 records- 0181US5127664ATrolley with improved telescopic tubesCHENG CHIUN JER·Filed 1991·Granted Jul 7, 1992·65 cites·1 claims
- 0275US5161811ATrolley with a foldable seat assemblyCHENG CHIUN JER·Filed 1991·Granted Nov 10, 1992·53 cites·3 claims
- 0364US5306027ATrolley with a retractable wheel assemblyCHENG CHIUN JER·Filed 1993·Granted Apr 26, 1994·38 cites·4 claims
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