Engine exhaust emission analyzer

- Sun Electric Corporation
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Description

FIG. 1 is a left front perspective view of an engine analyzer showing our new design;

FIG. 2 is a right rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D147437 September 1947 Folk
D184440 February 1959 Heyer
D215493 September 1969 Burridge
D240609 July 1976 Schwartz
D248457 July 11, 1978 Cullinane
D250178 November 7, 1978 Maxwell
Patent History
Patent number: D257013
Type: Grant
Filed: Jul 28, 1978
Date of Patent: Sep 23, 1980
Assignee: Sun Electric Corporation (Crystal Lake, IL)
Inventors: James R. Shaffer (Mt. Prospect, IL), David E. Maxwell (Cary, IL), Lee Radtke (Lake Zurich, IL)
Primary Examiner: Nelson C. Holtje
Attorney: George B. Newitt
Application Number: 5/928,888