United States Patent 3091459
Inventors:
Lindman, George E.
Publication Date:
05/28/1963
Assignee:
MAG POWR GAMES INC
Other Classes:
446/135, 124/7, 273/443, 335/285, 273/239, 273/259, 335/302
International Classes:
A63F7/26
US Patent References:
| 2492238 | Magnetic stand with adjustable shunt | | | |
| 2528938 | Magnetic game device | | | |
| 2716028 | Magnetically operated game apparatus | | | |