US D187988 S
Description (OCR text may contain errors)
United States Patent Ofifice Des. 187,988 Patented May 24, 1960 HEARING AID Kenneth L. Olson and Mas Harada, Minneapolis, Minn.,
assignors to The Qualitone C olis, Minn., a corporation of C ompany, Inc., Minneapalifomia Filed Dec. 2, 1959, Ser. No. 58,528 Term of patent 14 years Figure 1 is an elevational view of -the hearing aid, showing our new design;
Figure 2 is an elevational view taken opposite the view of Figure 1;
Figure 3 is a view looking at Figure 1 from the righthand side thereof;
Figure 4 is a bottom plan view; and
Figure 5 is an elevational view from the left hand side of Figure l or the right hand side of Figure 2.
The essential features of our design reside in the portion shown in full lines.
We claim: The ornamental dmign for a hearing aid, as shown and described.
References Cited in the file of this patent UNITED STATES PATENTS D. 180,695 Norris July 23, 1957 D. 185,740 Criswell July 28, 1959