Vikas khokhar biography of nancy johnson

Name and father name list

Nancy Maria Donaldson Johnson was awarded the first US patent for a hand-cranked ice cream freezer in Nancy Johnson was an American inventor and entrepreneur who was born in in New York. Walter was a scientist and first secretary at the American Association for the Advancement of Science. They adopted two children. Back in the 16th century before freezers were invented.

Johnson addressed a pain point in the ice cream industry, where the process of making ice cream was time-consuming and labor-intensive. Her machine made it possible to produce ice cream on a larger scale, reducing the amount of labor required and making it possible to sell ice cream to a wider audience. She created the first hand-cranked ice cream freezer in Her invention revolutionized the ice cream industry, making it easier and more efficient to produce ice cream on a large scale.

This was a wooden ice cream freezing machine, which used a hand-cranked paddle to churn the ice cream mixture inside a wooden bucket. The ice cream mixture was placed inside the bucket, surrounded by a mixture of ice and salt.