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Albert Richardson

Inventor of the Butter Churn and a casket lowering device.

Pioneer/Entrepreneur

Albert Richardson was one of those rare inventors who not only created numerous devices, but created devices that were completely unrelated to one another.

Until 1891 anyone wanting to make butter would have to do so by hand in a bowl. On February 17, 1891 Richardson patented the butter churn. The device consisted of a large wooden cylinder container with a plunger-like handle which moved up and down. In doing so, the movement caused oily parts of cream or milk to become separated from the more watery parts. This allowed for an easy way to make butter and forever changed the food industry.

In addition to these devices, Richardson patented a hame fastener in 1882, an insect destroyer in February of 1899 and an improvement in the design of the bottle in December of 1899.

Albert Richardson was one of those rare inventors who not only created numerous devices, but created devices that were completely unrelated to one another.

Until 1891 anyone wanting to make butter would have to do so by hand in a bowl. On February 17, 1891 Richardson patented the butter churn. The device consisted of a large wooden cylinder container with a plunger-like handle which moved up and down. In doing so, the movement caused oily parts of cream or milk to become separated from the more watery parts. This allowed for an easy way to make butter and forever changed the food industry.

In addition to these devices, Richardson patented a hame fastener in 1882, an insect destroyer in February of 1899 and an improvement in the design of the bottle in December of 1899.

Percy Julian

A pioneer in the chemical synthesis of medicinal drugs from plants, including a synthetic form of cortisone

Percy Julian

A pioneer in the chemical synthesis of medicinal drugs from plants, including a synthetic form of cortisone

Garrett Morgan

Invented a three-position traffic signal and an early version of a gas mask

Charles Drew

A pioneer in the field of blood transfusions who developed improved techniques for blood storage.

Elijah McCoy

Invented lubrication systems for steam engines. His devices were referred to as “The Real McCoy.”

Daniel Hale Williams

A surgeon who performed what is considered the first successful heart surgery.

Other Notable Inventors

Jan Matzeliger

Patented a shoe lasting machine, increasing the speed of shoe production.

Lewis Latimer

Developed an improved process for manufacturing carbon filaments for light bulbs

Garrett Morgan

 Invented a three-position traffic signal and an early version of a gas mask

Elijah McCoy

Invented lubrication systems for steam engines. His devices were referred to as “The Real McCoy.”