Registers – Calculators – Tabular
Patent
1986-12-23
1988-10-04
Richman, Barry S.
Registers
Calculators
Tabular
422 84, 235 1R, 235 90, G06C 300
Patent
active
047757809
ABSTRACT:
Alcohol pieces representing alcohol consumed are placed on one side of a balance board supported by as support structure. A time piece (or pieces) representing the alcohol oxidized by the body in a period of time is placed on the other side of the balance board and the tilt of the board tells the drinker what his or her blood alcohol level is.
REFERENCES:
patent: 227050 (1880-03-01), Palmer
patent: 1354275 (1920-09-01), Bachman
patent: 1869723 (1932-08-01), Van Duyn
patent: 4631393 (1986-12-01), Ross
Gzybowski Michael S.
Richman Barry S.
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