United States Patent 3451671
Inventors:
May, Marvin I.
Publication Date:
06/24/1969
Other Classes:
472/127, 482/142, 280/228
International Classes:
A63B26/00; A63B69/00; A63B23/06
US Patent References:
| 3193286 | Amusement device | | | |
| 3223411 | Logrolling type amusement device | | | |
| 3260523 | Rock and roll cylinder | | | |
| 3315640 | Push and pull sounding toy for animals having paws | | | |