ThisDayInHistory Archives - Page 25 of 29

Nikola Tesla Patent #4 – Regulator for dynamo-electric machines – US 336961

Patent Information Publication number: US336961 A Publication type: Grant Publication date:…

This Day in Patent History - October 24 is celebrated as World Polio Day

October 24 is celebrated as World Polio Day. Jonas Salk inventor Polio Vaccine, but he refused to patent the Vaccine. But that does not others…

Event of the Day - October 25 is celebrated as Thanksgiving Day in Grenada

October 25 is celebrated as Thanksgiving Day in Grenada. Here is a design patent for a Turkey hunter’s safety placard. …

This Day in Patent History - On October 24, 1836, Alonzo D. Phillips patented a friction match.

On October 24, 1836, Alonzo D. Phillips patented a friction match. This was 68th patent issued in US. …

This Day in Patent History – On October 23, 1877, a patent was issued for a gas-motor engine to Nicolaus Otto, and Francis and William Crossley.

On October 23, 1877, a patent was issued for a gas-motor engine to Nicolaus Otto, and Francis and William Crossley. They submitted a model…

On October 22 1940 Julian, Mayer and Krause received a patent for cortisone, used to treat rheumatoid arthritis, bursitis, adrenal insufficiency, allergies, diseases of connective…

Event of the Day - October 20 is celebrated as World Osteoporosis Day.

October 20 is celebrated as World Osteoporosis Day. This year the theme is “Serve Up Bone Strength”. Here is an early patent from NASA for…