Title:
BILLIARD PLAY TALLY SYSTEM
United States Patent 3448459
US Patent References:
/0466058.html
- - 0466058
/0478237.html
- - 0478237
Totalizing device
- - 2049634
Apparatus for monitoring the operation of a machine
- - 3281855
/0466058.html
- - 0466058
/0478237.html
- - 0478237
Totalizing device
- - 2049634
Apparatus for monitoring the operation of a machine
- - 3281855
Inventors:
Margolis, Edward
Publication Date:
06/03/1969
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Export Citation:
Assignee:
BILLIARD CONTROLS INC
Primary Class:
Other Classes:
377/20, 377/37, 377/5, 473/24
International Classes:
A63D15/20; A63F1/06; G07C1/28; A63D15/00; A63F1/00; G07C1/00; G06F7/46; G01D9/02