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This was Eli Terry's first patent on a clock. It was the equation clock.
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Walter Hunt invented the safelty pin. He later sold his patent for $400 (about $10,000 today).
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Lorenzo Lorraine Langtroth invented the beehive. By 1852, he made over 100 beehives and started selling them.
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It was invented by John Mason. The patent was primarily for the exterior threads in the jar and a corresponding metal cap".
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Linus Yale, Jr. invented the door lock, which was designed to be fire-proof.
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Dynamite was invented by Alfred Nobel. It is named after the Greek word "dynamis" meaning power.
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Joseph Glidden invented the barbed wire. He opened the Barb Fence Company, which made him rich.
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Breakfast cereal was patented by John Kellogg. He originally called it Granola, but changed the name from Corn Flakes.
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William E. Upjohn invented this. He served 40 years as the president of Upjohn Pharmaceutical Company.
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Charles Martin Hall invented aluminum. He launched the Aluminum Company of America.
