Exposure controller for dental X-ray unit

Description

FIG. 1 is a top, front perspective view of an exposure controller for dental X-ray unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D221909 September 1971 De Lucia
D245863 September 20, 1977 Armbruster
D264467 May 18, 1982 Fischer
D291195 August 4, 1987 Shea
D294371 February 23, 1988 Phelps
D299953 February 21, 1989 King et al.
D302809 August 15, 1989 Boucher
D303521 September 19, 1989 Savio et al.
D308420 June 5, 1990 Frantz
Patent History
Patent number: D319101
Type: Grant
Filed: Nov 10, 1988
Date of Patent: Aug 13, 1991
Assignee: Kabushiki Kaisha Tokyo Emix (Saitama)
Inventor: Tetsuya Endo (Yokohama)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Attorney: Fred Philpitt
Application Number: 7/269,548
Classifications