Title:
Cantilever type ball bumper
United States Patent 3391937
US Patent References:
Bumper switch for ball-rolling games
- - 2328667
Electrical switching device
- - 2487979
Game piece controller and player stabilizer
- - 3105687
Bumper switch for ball-rolling games
- - 2328667
Electrical switching device
- - 2487979
Game piece controller and player stabilizer
- - 3105687
Inventors:
Seiden, Herman L.
Publication Date:
07/09/1968
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Export Citation:
Assignee:
LION MFG CORP
Primary Class:
Other Classes:
273/119R
Foreign References:
| FR1199119A |