Hamada; Sadao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamada; Sadao.The latest application filed is for "putter alignment guide bar".
- Hamada; Sadao - Nankoku JP
| Patent | Date |
|---|---|
| Putter alignment guide bar Grant 9,873,027 - Hamada January 23, 2 | 2018-01-23 |
| Putter alignment guide bar Grant 9,427,651 - Hamada August 30, 2 | 2016-08-30 |
| Putter Alignment Guide Bar App 20150343275 - Hamada; Sadao | 2015-12-03 |
| Putter Alignment Guide Bar App 20150343295 - Hamada; Sadao | 2015-12-03 |
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