Dae Seung Woo

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Paper shredder
- Patent number 9,757,732
- Issue date Sep 12, 2017
- ROYAL SOVEREIGN QINGDAO INC.
- Hyun Joo Ahn
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Shredder and method of shredding paper
- Patent number 8,403,246
- Issue date Mar 26, 2013
- Royal Sovereign International, Inc.
- Hwa Yong Seo
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
PAPER SHREDDER
- Publication number 20150258549
- Publication date Sep 17, 2015
- ROYAL SOVEREIGN QINGDAO INC.
- Hyun Joo Ahn
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
SHREDDER AND METHOD OF SHREDDING PAPER
- Publication number 20120018554
- Publication date Jan 26, 2012
- ROYAL SOVEREIGN INTERNATIONAL, INC.
- Hwa Yong Seo
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...