Manually operated aspirator for emergency medical use

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Description

FIG. 1 is a right side elevational view of a manually operated aspirator for emergency medical use, showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
3387610 August 1965 Richmond
3939830 February 24, 1976 Da Costa
4539985 September 10, 1985 Magrath
4643719 February 17, 1987 Garth et al.
4981474 January 1, 1991 Bopp et al.
4998915 March 12, 1991 Hannal
5024653 June 18, 1991 Kohnke
Patent History
Patent number: D332306
Type: Grant
Filed: Mar 12, 1990
Date of Patent: Jan 5, 1993
Inventors: Geoffrey C. Garth (Long Beach, CA), Charles A. Patterson (Westminster, CA)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Attorney: J. F. McLellan
Application Number: 7/492,108