Bowling alley with skill equalizing means
United States Patent 3392975
US Patent References:
/1123496.html
- - 1123496

/1181763.html
- - 1181763

Game
- - 2130123

Game apparatus
- - 2248596

Play curling game
- - 2900189


Inventors:
Winkleman, Joseph R.
Publication Date:
07/16/1968
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Primary Class:
473/109
Other Classes:
473/64
International Classes:
A63D5/00; A63B69/00
US Patent References:
3039771Bowling alley for the blind
3046012Bowling alley
3111315Bowling game with pins separated by divider strips
3312469Bowling mat