Chang-Yi YU

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NANTOU COUNTY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Picking ladder cart
- Patent number 9,573,609
- Issue date Feb 21, 2017
- ROMP ENTERPRISE CO., LTD.
- Chang-Yi Yu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
PICKING LADDER CART
- Publication number 20160160561
- Publication date Jun 9, 2016
- ROMP ENTERPRISE CO., LTD.
- Chang-Yi YU
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS