| 1998657 | Ventilating apparatus | |||
| 2075308 | Toilet signal device | |||
| 2172506 | Water closet | |||
| 2362856 | Coaxial coupling | |||
| 2419788 | Cow stanchion | |||
| 2535704 | Infant's toilet training chair | |||
| 2745112 | Commode | |||
| 2863685 | High-strength light-weight quick-disconnect coupling for a linkage system | |||
| 2994557 | Child's convertible chair | |||
| 3127215 | ||||
| 3172390 | Musical toilet chair for infants | |||
| 3186759 | Invalid chair | |||
| 3271784 | Convertible commode chair |
| CH311143A |