Mary Beatrice Davidson Kenner (May 17, 1912 - January 13, 2006) was an African American inventor who received five patents in her lifetime. She holds the record for the most patents awarded to a Black woman by the U.S government. Kenner’s first and most noted patent was in 1957 for the sanitary belt, the precursor invention to sanitary pads. She originally invented the belt 30 years prior in the 1920s but was not able to afford a patent and she faced racial discriminatio… Web15 de abr. de 2024 · Americans also nailed the Farmer’s Almanac onto outhouse walls, leading the company to pre-drill the legendary “hole” into their publication in 1919. The first perforated toilet paper rolls ...
Little Known Black History Fact: Sibling Inventors
Web25 de feb. de 2024 · Mary Beatrice Davidson Kenner was born on May 17, 1912 in Monroe, California. Her Father , Sidney Nathaniel Davidson was also an inventor. Although, her Mother is unknown to public records, she has one sibling, her sister Mildred Davidson Austin Smith. When Mary Kenner was 12, her family moved to Washington D.C. Web5 de jul. de 2024 · A patent created by the inventor of the toilet roll, Seth Wheeler, granted in 1883, reveals the correct way to hang toilet paper on the holder is over the top. The original patent for toilet paper ... city of gloucester ma water bill
Black ThenWe Did It, They Hid It: How Mary Beatrice …
Web8 de mar. de 2024 · Mary Beatrice Davidson Kenner was a self-taught inventor who created the sanitary belt and filed five patents in her lifetime. Illustration by Shreyas Ravikrishnan. When I was growing up, all the ... Web18 de mar. de 2015 · This "new evidence" is actually very old evidence. The topic of conversation is a patent from 1891 with the dull title " Wrapping or toilet paper roll ." Inventor Seth Wheeler of Albany, New York ... Web13 de jul. de 2024 · Who Invented The Bathroom Tissue Holder? Mary Beatrice Davidson Kenner (1912-2006) was an African-American. Along with her sister Mildred, Kenner … city of gloucester map geo