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…
A video posted by PatentYogi (@awesomepatents) on Oct 15, 2015 at 9:36pm PDT Problems solved by this patent The jack-o-lantern is one of the most…
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