US D170935 S
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NOV. 24, 1953 J. PALMA, JR" AL Des. 170,935
KNIFE SHARPENER Filed July 9, 1953 2 Sheets-Sheet 1 IN V EN TORS Nov. 24, 1953 J. PALMA, JR., El AL Des. 170,935
KNIFE SHARPENER Filed July 9, 1953 2 Sheets-Sheet 2 INVENTORS'.
Patented Nov. 24, 1953 Des. 170,935
UNITED STATES PATENT OFFICE KNIFE SHARPENER Joseph Palma, Jr., Berwyn, Ill., and Courtney A. Leubner, Milwaukee, Wis., assignors to G. M. Laboratories Inc., Chicago, 111., a corporation of Illinois To all whom it may concern:
Be it known that we, Joseph Palma, Jr., and Courtney A. Leubner, citizens of the United States and residents, respectively, of Berwyn, Cook County, State of Illinois, and Milwaukee, Milwaukee County, State of Wisconsin, have invented a new, original, and ornamental Design for a Knife Sharpener, of which the following is a specification, reference being had to the accompanying drawings, forming a, part thereof.
Fig. 1 is a front elevational view of a knife sharpener, showing our new design;
Fig. 2 is a top plan view thereof;
Fig. 3 is a rear elevational view thereof;
Fig. 4 is a right end elevational view of Fig. 1; and
Fig. 5 is a left end elevational view of Fig. 1. We claim: The ornamental design for a knife sharpener, as shown.
JOSEPH PALMA, JR. COURTNEY A. LEUBNER.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date D. 153,168 Palma, Jr. Mar. 22, 1949 D. 165,523 Iannelli Dec. 25, 1951