Beulah Henry patented an ice cream freezer in 1912, earning "Lady Edison" fame
Beulah Louise Henry, known as 'Lady Edison', was a significant figure among women inventors in the early 20th century. She patented her vacuum-sealed ice cream freezer in 1912, which improved upon previous designs. Throughout her career, she developed over 100 inventions, including sewing machines and typewriters. Henry, largely self-educated, earned…
The Times of India ·