Sobriety tester

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Description

FIG. 1 is a top, front and right side perspective view of a sobriety tester showing my new design, shown with the mouth piece unattached;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational view, the right side elevational view being a mirror image; and,

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D221857 September 1971 Schulze
4093945 June 6, 1978 Collier
4607719 August 26, 1986 Rugis
4678057 July 7, 1987 Elfman
4723625 February 9, 1988 Komlos
4749553 June 7, 1988 Lopez et al.
4912458 March 27, 1990 Comeau et al.
4914038 April 3, 1990 Jewitt
Other references
  • Sencion Corp., Sensor, Jun. 12, 1990, Cover Page.
Patent History
Patent number: D333441
Type: Grant
Filed: Jan 9, 1990
Date of Patent: Feb 23, 1993
Inventor: Frank Greene (Billings, MT)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Terry M. Gernstein
Application Number: 7/462,437