| 摘要 |
<p>394,513. Mattresses. OLSON, H. R., 945, Northeast Broadway, Minneapolis, Minnesota, U.S.A. Aug. 30, 1932, No. 24226. [Classes 52 (i) and 52 (iv).] A mattress is fitted with spring-retracted handles 9 each extending through the side wall of the mattress and through apertures in a reinforcing plate 8 on the inner wall.</p> |
