Seung M. Chang

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Yangchun-Gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Automatic document feeders for copying machines and method for auto...
- Patent number 5,332,205
- Issue date Jul 26, 1994
- Sindo Ricoh Co., Ltd.
- Jae H. Chung
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic document feeder with solid bracket
- Patent number 5,324,019
- Issue date Jun 28, 1994
- Sindo Ricoh Co., Ltd.
- Seung M. Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL