Sobriety tester

Details Sobriety tester Sobriety tester

1990-01-09

1993-02-23

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Chemical

D10 46

Patent

active

D03334414

REFERENCES:
patent: D221857 (1971-09-01), Schulze
patent: 4093945 (1978-06-01), Collier
patent: 4607719 (1986-08-01), Rugis
patent: 4678057 (1987-07-01), Elfman
patent: 4723625 (1988-02-01), Komlos
patent: 4749553 (1988-06-01), Lopez et al.
patent: 4912458 (1990-03-01), Comeau et al.
patent: 4914038 (1990-04-01), Jewitt
Sencion Corp., Sensor, Jun. 12, 1990, Cover Page.

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