| 发明名称 |
Pillow and case of physiologically advantageous shape |
| 摘要 |
A pillow case comprising first and second walls of flexible material each having a shape symmetrical about is center line.
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| 申请公布号 |
US4007503(A) |
申请公布日期 |
1977.02.15 |
| 申请号 |
US19750585217 |
申请日期 |
1975.12.11 |
| 申请人 |
WATKIN, BERNARD CURRS |
发明人 |
WATKIN, BERNARD CURRS |
| 分类号 |
A47G9/10;(IPC1-7):A47G9/00 |
主分类号 |
A47G9/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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