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Beulah Louise Henry - American business woman and inventor (1887-1973)

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03.04.25
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Beulah Louise Henry, often hailed as "Lady Edison," was a prolific American inventor who secured 49 patents and is credited with over 100 inventions. Her innovative spirit and keen eye for improving everyday life led to a diverse range of creations that touched upon both consumer products and industrial processes. From her early mechanical inclinations to her later work as a consultant, Henry's journey is a testament to her inventive genius and entrepreneurial drive.
Main Milestones
Birth in North Carolina
September 28, 1887
Beulah Louise Henry was born in Raleigh, North Carolina, to Walter R. Henry and Beulah Fitzgerald Henry. Her early life on a plantation instilled in her a resourcefulness and an observant nature that likely contributed to her later inventive career. It laid the foundation for her future curiosity and problem-solving abilities.
First Patent: Vacuum Ice Cream Freezer
1912
At the age of 25, Henry received her first patent for a vacuum ice cream freezer. This invention showcased her early understanding of thermodynamics and her ability to apply scientific principles to improve everyday household items. This was a critical turning point in her life, marking the start of her journey as an inventor.
Prolific Period of Invention
1910s-1930s
This period marked a burst of inventive activity for Henry. She patented a number of inventions that reflected the needs and desires of the time, including a bobbin-free sewing machine (1915), a "protograph" for making multiple typewritten copies without carbon paper (1924), and the "continuously attached envelopes" used for mass mailings (1932). These inventions showcased her ability to identify practical problems and develop innovative solutions.
Invention of the 'Bobbinless' Sewing Machine
1930s
Beulah invented and patented a bobbinless sewing machine. This innovative sewing machine eliminated the need for the lower bobbin, significantly simplifying the sewing process and offering efficiency improvements. While it wasn't commercially successful on a large scale, it showcases her genius for reinventing familiar technology.
Continuously Attached Envelopes
1932
Henry patented the continuously attached envelopes which were widely adopted for mass mailings, streamlining the mailing process and greatly improving efficiency for businesses and organizations. This invention is a testament to her contributions to the manufacturing industry.
Developing the 'Protograph'
1939
The 'Protograph', patented in 1939, was a typewriting machine that created multiple copies of documents. This invention aimed to reduce the need for carbon copies. While not as universally adopted as carbon paper itself, it served as an early precursor to modern copying technology and demonstrates Beulah's forward-thinking.
Inventions for the War Effort
World War II Era
During World War II, Henry contributed her inventive talents to the war effort. She developed inventions such as a "sealing means for gas-filled tires" (1944) and other innovations aimed at improving military technology and equipment. Her contribution during this period highlighted her patriotism and willingness to apply her skills for national benefit.
Consulting and Continued Innovation
Late Career
In her later career, Henry worked as a consultant for various companies, including the Nicholas Machine Works. She continued to innovate, focusing on improving manufacturing processes and developing new consumer products. This period reflects her sustained dedication to invention and her adaptability to changing technological landscapes.
Death in New Jersey
February 1, 1973
Beulah Louise Henry passed away in New Jersey at the age of 85. Although she may not be a household name, her contributions to various industries and her prolific inventive output solidify her place as an important figure in American innovation. Her legacy continues to inspire future generations of inventors.

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