Electronic device for testing blood

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Description

FIG. 1 is a top plan view of an electronic device for testing blood embodying my design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D233862 December 1974 Nelson et al.
D237548 November 1975 Farrish
3888628 June 1975 Graham
3909363 September 1975 Bucalo
3932277 January 13, 1976 McDermott
Patent History
Patent number: D247575
Type: Grant
Filed: Oct 1, 1975
Date of Patent: Mar 21, 1978
Assignee: Walter Farris (Detroit, MI)
Inventor: Charles M. Bartkus (Grosse Pointe Woods, MI)
Primary Examiner: Bernard Ansher
Attorney: Edward M. Apple
Application Number: 5/613,278
Classifications
Current U.S. Class: D24/21
International Classification: D2402;