Beulah was such a prolific inventor in the early 20th century that the press nicknamed her Lady Edison. She was an outlier as an unmarried woman who got her foot in the door as an inventor by pounding the pavement in 1920s New York. 

Research:

• Bengtson, Harlan H. “Beulah Louise Henry.” EBSCO. 2021. https://www.ebsco.com/research-starters/history/beulah-louise-henry
• “Beulah Louise Henry.” National Inventors Hall of Fame. https://www.invent.org/inductees/beulah-louise-henry
• Dick, Gerry. “Beulah henry Sits in Chiffon Laboratory Inventing Almost Everything But Excuses.” The Rockford Argus. April 8. 1937. https://www.newspapers.com/image/531344097/?match=1&terms=%22Beulah%20Henry%22&search-id=22e1b59c-1edb-4d9c-895d-9454b6343852&search-rank=7
• Hart, Alicia. “Meet Beulah henry, the Inventor.” The Salisbury Post. Sept. 1, 1955. https://www.newspapers.com/image/1026874682/?match=1&terms=%22Beulah%20Henry%22&search-id=be53d62d-90f0-4084-8868-9b0e0a4dbb37&search-rank=3
• Henry, B.L. “DOUBLE CHAIN STITCH SEWING MACHINE.” April 21, 1936. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-2037901-A?source=USPAT&requestToken=eyJzdWIiOiI4NTA2NjMxNi1kZTRmLTRlNzQtOGJhYS1kYTRjMzhhMGZkNmYiLCJ2ZXIiOiJjY2M5MGE0NS02ZGRhLTQ5YTAtOTQzZS1lOTIyMzBhMjI0MjEiLCJleHAiOjB9
• Henry, B.L. “DUPLICATING ATTACHMENT FOR TYPEWRITERS.” Aug. 30, 1932. https://patentimages.storage.googleapis.com/e7/a5/7d/a7e3bbcd163f09/US1874749.pdf
• Henry, B.L. “Hand Bag.” U.S. Patent Office. May 27, 1913. https://patentimages.storage.googleapis.com/0a/6d/16/4d8139d4025580/US1063031.pdf
• Henry, B.L. “Ice Cream Freezer.” U.S. Patent Office. Sept. 3, 1912. https://patentimages.storage.googleapis.com/dc/d8/5c/1c61ca65b0339b/US1037762.pdf
• Henry, B.L. “Indicator Top.” U.S. Patent Office. March 2, 1926. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1575264-A?source=USPAT&requestToken=eyJzdWIiOiIxMzU2NTdlNi03OWNkLTQyZGUtYTgwNi0yYzRhYmM3OGU5OGIiLCJ2ZXIiOiI2MzIxNTg0Yy1iOTZjLTRhYmItOTZhNC04OGUxNTI3ODY3NjUiLCJleHAiOjB9
• Henry, B.L. “Parasol.” U.S. Patent Office. Nov. 18, 1913. https://patentimages.storage.googleapis.com/6e/fe/25/726c19533c2b0f/US1079240.pdf
• Henry, B.L. “Parasol.” U.S. Patent Office. May 6, 1924. https://patentimages.storage.googleapis.com/5c/ad/88/868b750b1d9c44/US1492725.pdf
• Henry, B.L. “Radio Doll.” U.S. Patent Office. Dec. 8, 1925. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1565145-A?source=USPAT&requestToken=eyJzdWIiOiJhMTUwM2E5YS04MzYzLTRmYTgtYjRmOS1lZDU5OGIyMDllNGEiLCJ2ZXIiOiI2MjZkN2M5OS05OGVkLTQzY2EtOGE2YS02NTU2ZWIzYzY0MzgiLCJleHAiOjB9
• Henry, B.L. “SEAM AND METHOD OF FORMING SEAMS.” U.S. Patent Office. Feb 4. 1941. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-2230896-A?source=USPAT&requestToken=eyJzdWIiOiI4NTA2NjMxNi1kZTRmLTRlNzQtOGJhYS1kYTRjMzhhMGZkNmYiLCJ2ZXIiOiJjY2M5MGE0NS02ZGRhLTQ5YTAtOTQzZS1lOTIyMzBhMjI0MjEiLCJleHAiOjB9
• Henry, B.L. “Simulated Dispensing Device.” U.S. Patent Office. Dec. 11, 1951. https://patentimages.storage.googleapis.com/6d/80/75/d6a9df36c75df0/US2577849.pdf
• Henry, B.L. “Water Sport Apparatus.” U.S. Patent Office. August 16, 1927. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1639607-A?source=USPAT&requestToken=eyJzdWIiOiIxMzU2NTdlNi03OWNkLTQyZGUtYTgwNi0yYzRhYmM3OGU5OGIiLCJ2ZXIiOiI2MzIxNTg0Yy1iOTZjLTRhYmItOTZhNC04OGUxNTI3ODY3NjUiLCJleHAiOjB9
• Jones, Stacy. “A Single Unit Serves for Mailing and Also Returning.” New York Times. Jan. 27, 1962. https://timesmachine.nytimes.com/timesmachine/1962/01/27/90129637.pdf?pdf_redirect=true&ip=0
• LaRiccia, Dante. “Electricity Consumption: Culture, Gender and Power.” Energy History Online. Yale University. https://energyhistory.yale.edu/electricity-consumption-culture-gender-and-power/
• Mydans, Seth. “Overlooked No More: Beulah Henry, Inventor With an Endless Imagination.” New York Times. March 14, 2025. https://www.nytimes.com/2025/03/14/obituaries/beulah-henry-overlooked.html
• “Synesthesia.” Cleveland Clinic. May 3, 2023. https://my.clevelandclinic.org/health/symptoms/24995-synesthesia
• “"There's a better way of doing that." USPTO. https://www.uspto.gov/learning-and-resources/journeys-innovation/historical-stories/theres-better-way-doing