Other Fields

On July 27, 1937, Jozefa Olympia Armfelt of Kulla, Sweden, patented a device for moistening envelopes and other gummed surfaces. The device used a water-filled container with a wick in a bent or angled tube that automatically delivered just the right amount of moisture, preventing spills or over-wetting while remaining simple and easy to manufacture.

On March 16, 1898, Juana Gonzalez de Yznaga of Brownsville, Texas, patented a novel chair for invalids. Her design featured a seat with arms projecting outward, a table with a top plate and end plates that could be easily removed if needed.

On September 21, 1904, Julie Beaudeneau of Paris was granted a patent for inventing a new fabric decoration process. Her innovative method allowed for the layering of colors in ways that were previously impossible with traditional printing techniques.

On December 24, 1896, Julie Boehmer, a resident of Warburg, Germany, was awarded a patent for major improvements to existing cooking pans. The invention involved the addition of an apparatus that would ensure the food was properly cooked.

On May 15, 1917, Kaja P. Togstad of Maddock, North Dakota, patented a spring-based tire made entirely of nested coil springs. The graduated springs provided shock absorption while also acting as anti-skid elements by gripping the ground as the wheel rolled.

On May 22, 1917, Kaja P. Togstad of Maddock, North Dakota, was awarded a patent for a wearable safety parachute for aviators that would automatically open if the pilot fell from the aircraft.

On January 27, 1936, Klara E.F. Braun of Copenhagen received a patent for a novel ear protector made of rubber, designed for use with electric hair curlers. Date of Application: 20 September 1934

On October 21, 1902, Kora May Johnson of New York patented a hose-supporter designed to grip stockings securely without tearing them. Her design used a receiving piece with guiding channels and a flexible-tipped bar that slid into place, locking the stocking gently but firmly between the two parts.

On September 15, 1894, Laura Biddle, then residing in Leicester County, was awarded a patent for improvements to mechanical fire bars used in furnaces. Her design aimed to reduce metal clinkering and imperfect combustion.

On June 20, 1916, Leila M. Taylor of Salem, Massachusetts, was granted a patent for a novel container designed for small, pointed instruments. Her invention was specifically intended for dental broaches and provided a convenient and aseptic storage solution.