| D282108 | Hair treatment solution collector and receptacle | January, 1986 | Losenno | D28/20 |
| D251202 | Invalid's treatment basin | February, 1979 | Chavewicz | D23/289 |
| D232269 | N/A | July, 1974 | Cates | D28/20 |
| 3733620 | COLLAPSIBLE BED SHAMPOO BASIN WITH THROW AWAY LINER | May, 1973 | Glintz | 4/515 |
| 3694826 | PORTABLE SHAMPOOING UNIT | October, 1972 | Pugh | 4/515 |
| D224222 | N/A | July, 1972 | Collins | D23/284 |
| 3465370 | HAIR WASHING TRAY FOR BED PATIENTS | September, 1969 | Chernick | 4/515 |
| 3449771 | PORTABLE SHAMPOO ASSEMBLY | June, 1969 | Watson | 4/515 |
| 3363620 | Caloric irrigation receptacle for testing the vestibular system in the inner ear | January, 1968 | Collins | 4/515 |
| D173813 | N/A | January, 1955 | Militana | D28/20 |
| D164350 | N/A | August, 1951 | Barrow | D28/20 |
| 2514584 | Head wash utensil | July, 1950 | Muth | 4/515 |
| 2475259 | Washing tray | July, 1949 | Singleton | 4/515 |
| D135579 | N/A | April, 1943 | Pientkewic | D28/20 |
| D132562 | N/A | May, 1942 | Keirle | D28/20 |
| D117898 | N/A | December, 1939 | Carawan | D28/20 |
FIG. 1 is a perspective view taken from the top, front and right side of a hair washing tray, showing my new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a right side elevational view thereof, the left side being the same as the right side down.
FIG. 4 is a rear elevational view thereof.
FIG. 5 is a top plan view thereof.