US Patent 2,244,085, granted June 3, 1941 to Anna T. Schneidewendt of Chicago, for a hand-operated frame loom whose warp length can be adjusted by sliding strips bolted together. The woof is looped through slots in upright supports and the warp is carried around pins at the ends with a needle. The patent text describes the construction, the weaving procedure and two claims, and the loom is intended for schools and for weaving mops. The first page has the patent drawings (Figs. 1-3, including the needle).