Title:
Reprojecting ball bumper
United States Patent 3298691
US Patent References:
/0470691.html
- - 0470691

/0825890.html
- - 0825890

Pivotal ball return means for pin games
- - 2520283

Control for electromagnets
- - 2692353

Scaffold support
- - 2719061


Inventors:
Berninger, Harold O.
Seiden, Herman L.
Publication Date:
01/17/1967
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Assignee:
LION MFG CORP
Primary Class:
273/129R
Other Classes:
361/210
International Classes:
A63D13/00; A63F7/26
US Patent References:
2871417Magnetizing and demagnetizing apparatus
2917866Sounding toys
Foreign References:
AU226797B
FR1199119A