Toy spinner of the top type
United States Patent 2891351
Inventors:
Ernest, Madaras
John, Madaras
Publication Date:
06/23/1959
Assignee:
Ernest, Madaras
John, Madaras
Other Classes:
D21/464, 446/261
International Classes:
A63B67/16; A63H1/00; A63H1/30