US D163562 S
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June 12, 1951 M. A. BJORK Des. 163,562
KNIFE BLADE Filed Feb. 11, 1949 mum v flwm Patented June 12, 1951 UNITED STATES PATENT Des. 163,562
OFFICE KNIFE BLADE Merle A. Bjork, Des Moines, Iowa Application February 11, 1949, Serial No. 798
Term of patent 7 years I claim: The ornamental design for a knife blade, substantially as shown.
MERLE A. BJORK.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Name Date Bowman et a1 Feb 22, 1898 Number D. 28,311