发明名称 |
Illuminated stepping stones |
摘要 |
An illuminated stepping stone which is light in weight, of sufficient strength to support a human being of extremely heavy weight, is attractive in appearance and can be manufactured inexpensively. Illumination of the stepping stone is by means of a low voltage source of electricity. Multiple stepping stones are to be connected together and illuminated from a source of electricity.
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申请公布号 |
US4992914(A) |
申请公布日期 |
1991.02.12 |
申请号 |
US19890415861 |
申请日期 |
1989.10.02 |
申请人 |
HEISS, CHARLES E.;GLUCK, LAWRENCE S. |
发明人 |
HEISS, CHARLES E.;GLUCK, LAWRENCE S. |
分类号 |
E01C17/00;E01F9/06;F21S8/00;F21S8/02;F21V33/00;F21Y101/00 |
主分类号 |
E01C17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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