Sugiyama; Siro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugiyama; Siro.The latest application filed is for "swivel type working vehicle".
- Sugiyama; Siro - Osaka JP
- Sugiyama; Siro - Amagasaki JP
| Patent | Date |
|---|---|
| Swivel type working vehicle Grant 6,615,942 - Shinohara , et al. September 9, 2 | 2003-09-09 |
| Swivel type working vehicle App 20030079925 - Shinohara, Eisaku ; et al. | 2003-05-01 |
| Propelling apparatus for underground propelling construction work Grant 5,904,444 - Kabeuchi , et al. May 18, 1 | 1999-05-18 |
| Hydraulic piping structure for a backhoe Grant 5,108,253 - Kobayashi , et al. April 28, 1 | 1992-04-28 |
| Power shovel Grant D312,468 - Masumoto , et al. November 27, 1 | 1990-11-27 |
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