Mabel Slater, FR485722A
Couverture formant sac de couchage, à l’usage des militaires, des touristes et autres, FR485722A.
On February 1, 1918, Mabel Slater, a resident of the United States, received a patent for a novel cover designed to be used as a bathrobe or military coat. The blanket was made from a soft and flexible material that quickly adapted to the body, aiming to keep it warm.
Date of Application: 14 May 1917
Date of Issuance: 1 February 1918
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