Assignee
LIEH JUNGHSEN
US·4 granted patents·5 citations·filing 2008–2021
Top patents by PatentIndex Score
4 records- 0161US7909716B2Dual-ratchet wheel transmission apparatusLIEH JUNGHSEN·Filed 2008·Granted Mar 22, 2011·5 cites·9 claims
- 0246US11708127B2Walking vehicle that is easy to swing and steerLIEH JUNGHSEN·Filed 2021·Granted Jul 25, 2023·0 cites·6 claims
- 0341US11745825B2Direct-drive bicycleLIEH JUNGHSEN·Filed 2021·Granted Sep 5, 2023·0 cites·8 claims
- 0427US11202728B2Transmission apparatus for a leveraged wheelchairLIEH JUNGHSEN·Filed 2019·Granted Dec 21, 2021·0 cites·10 claims
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