Twin piston pump

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Description

FIG. 1 is a front elevational view of a twin piston pump in accordance with the invention;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof, illustrating the side opposite that depicted in FIG. 2;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a plan view thereof.

Referenced Cited
U.S. Patent Documents
D195289 May 1963 Cordis
D196811 November 1963 Laser
D209922 January 1968 Golding
D319370 August 27, 1991 Otto
D328003 July 21, 1992 Matson et al.
D344208 February 15, 1994 Musseau
1109800 September 1914 Sorensen
Patent History
Patent number: D369510
Type: Grant
Filed: Sep 9, 1994
Date of Patent: May 7, 1996
Assignee: Marlen Research Corporation (Overland Park, KS)
Inventors: Richard G. Powers (Overland Park, KS), Drake L. Koch (Kansas City, MO)
Primary Examiner: Ralf Seifert
Law Firm: Hovey, Williams, Timmons & Collins
Application Number: 0/28,274
Classifications
Current U.S. Class: D7/376