Youichi Umezawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire dot print head with a pair of guide nose halves
- Patent number 4,950,092
- Issue date Aug 21, 1990
- Oki Electric Industry Co., Ltd.
- Hiroshi Kikuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS