Bingo board for the blind
United States Patent 2464146
US Patent References:
/0088421.html
- - 0088421

/0941680.html
- - 0941680

Game
- - 1546831

Chess
- - 1628412

Checkerboard
- - 1641104


Inventors:
Mohler, Jean P.
Publication Date:
03/08/1949
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Assignee:
Mohler, Jean P.
Primary Class:
273/269
Other Classes:
273/DIG.027, 273/282.100, 116/205
International Classes:
A63F3/06; A63F9/00
US Patent References:
1863683Phonograph record
2190752Braille slate
2230178Game
2399041Game board for the blind