Number | Name | Date | Kind |
---|---|---|---|
1738411 | Welch | Dec 1929 | |
2822554 | Wenzelberger | Feb 1958 | |
4056858 | Weber | Nov 1977 | |
4516767 | Eskijian | May 1985 | |
4860395 | Smith | Aug 1989 | |
5487400 | Dawkins | Jan 1996 |
Number | Date | Country |
---|---|---|
405179837 | Jul 1993 | JPX |
Entry |
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"Special Water Mattress", Waterbed Magazine, p. 24. |