United States Patent 3069168
Inventors:
Feldman, Samuel S.
Samuel, Greenberg
Publication Date:
12/18/1962
Assignee:
Feldman, Samuel S.
Samuel, Greenberg
Other Classes:
273/285, 273/148R, 273/139, 150/147
International Classes:
A63F1/06; A63F1/00
Foreign References:
| AT147835B | | | | |
| GB521602A | | | | |
| DE866860C | | | | |