Patent Grant
D431286
| Number | Name | Date | Kind |
|---|---|---|---|
| D295068 | Kohler, Jr. et al. | Apr 1988 | |
| D296003 | Garza | May 1988 | |
| D298163 | Downs | Oct 1988 | |
| D323879 | Sauter | Feb 1992 | |
| D324902 | Kohler, Jr. et al. | Mar 1992 | |
| D325625 | Sauter et al. | Apr 1992 | |
| D328783 | Meulen et al. | Aug 1992 | |
| D331965 | Sauter et al. | Dec 1992 | |
| D362901 | Dannenberg et al. | Oct 1995 |
| Entry |
|---|
| Undated Republic catalog ad, p. 3, showing a triple bowl kitchen sink, admitted prior art. |
| Undated Acriform catalog ad showing an "Advantage 2500" kitchen sink, admitted prior art. |
| Undated Elkay catalog ad showing a triple bowl kitchen sink, admitted prior art. |
| Undated Gustavsberg catalog ad showing a "Model 8300" kitchen sink, admitted prior art. |
