Junghsen LIEH

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Beavercreek, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct-drive bicycle
- Patent number 11,745,825
- Issue date Sep 5, 2023
- Junghsen Lieh
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Walking vehicle that is easy to swing and steer
- Patent number 11,708,127
- Issue date Jul 25, 2023
- Junghsen Lieh
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Transmission apparatus for a leveraged wheelchair
- Patent number 11,202,728
- Issue date Dec 21, 2021
- Junghsen Lieh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Dual-ratchet wheel transmission apparatus
- Patent number 7,909,716
- Issue date Mar 22, 2011
- Junghsen Lieh
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
DIRECT-DRIVE BICYCLE
- Publication number 20230051165
- Publication date Feb 16, 2023
- Junghsen LIEH
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
WALKING VEHICLE THAT IS EASY TO SWING AND STEER
- Publication number 20230018220
- Publication date Jan 19, 2023
- Junghsen LIEH
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
TRANSMISSION APPARATUS FOR A LEVERAGED WHEELCHAIR
- Publication number 20210059877
- Publication date Mar 4, 2021
- Junghsen Lieh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dual-Ratchet Wheel Transmission Apparatus
- Publication number 20090286638
- Publication date Nov 19, 2009
- Junghsen LIEH
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS