Choong M. Cho

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Apkujungdong, Kangnam-Ku, Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a waterproof paper container
- Patent number 5,002,523
- Issue date Mar 26, 1991
- Choong M. Cho
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Water proof paper canister
- Patent number 4,595,119
- Issue date Jun 17, 1986
- Choong M. Cho
- F42 - AMMUNITION BLASTING