Taokuei Chuang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic paper shredder
- Patent number 11,090,657
- Issue date Aug 17, 2021
- Aurora Office Equipment Co., Ltd. Shanghai
- Chung Shih Tsai
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Automatic paper shredder with staple removing structure and staple...
- Patent number 11,052,402
- Issue date Jul 6, 2021
- Aurora Office Equipment Co., Ltd. Shanghai
- Chung Shih Tsai
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC PAPER SHREDDER WITH STAPLE REMOVING STRUCTURE AND STAPLE...
- Publication number 20210138478
- Publication date May 13, 2021
- Chung Shih Tsai
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
AUTOMATIC PAPER SHREDDER
- Publication number 20200276594
- Publication date Sep 3, 2020
- Aurora Office Equipment Co., Ltd. Shanghai
- Chung Shih Tsai
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...