Smythe; Hugh A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Smythe; Hugh A..The latest application filed is for "back rest cushion".
- Smythe; Hugh A. - Toronto Ontario CA
| Patent | Date |
|---|---|
| Back rest cushion Grant D308,613 - Clark , et al. June 19, 1 | 1990-06-19 |
| Neck support rest Grant D284,724 - Clark , et al. July 22, 1 | 1986-07-22 |
| Neck support rest Grant 4,432,107 - Clark , et al. February 21, 1 | 1984-02-21 |
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