United States Patent 3112930
Inventors:
Wertz, Wallace A.
Publication Date:
12/03/1963
Assignee:
Wertz, Wallace A.
Other Classes:
273/129R, 273/108.540, 273/108.550, 446/333
International Classes:
A63F7/06; A63F7/00
Foreign References:
| FR733093A | | | | |
| IT310040B | | | | |
| GB506585A | | | | |
| FR1046109A | | | | |
| CH297880A | | | | |
| FR1170643A | | | | |