Number | Name | Date | Kind |
---|---|---|---|
D170530 | Hendrickson | Oct 1953 | |
D172375 | Watkins | Jun 1954 | |
D204538 | Armstrong | Apr 1966 | |
D218607 | Schrock et al. | Sep 1970 | |
D238070 | Granger | Dec 1975 | |
D262988 | Lippert, Jr. | Feb 1982 | |
D274642 | Doman | Jul 1984 | |
D320068 | Waldren | Sep 1991 | |
1408830 | Rowd | Mar 1922 |
Entry |
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Undated, admitted prior art, p. 93 of a Jacob Delafon catalog for an Altair lavatory. |
Undated, admitted prior art, Sterling ad labelled "Vitreous China". |
Undated, admitted prior art, Jacob Delafon ad showing several lavatories. |