Sigeru Saito

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Kasuga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Writing instrument having a needle slidably mounted in a tubular tip
- Patent number 4,522,525
- Issue date Jun 11, 1985
- Pentel Kabushiki Kaisha
- Sigeru Saito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES