This Day in Patent History - On October 31, 1839, patent was granted to Sumner King for Elliptical spring for carriages On October 31, 1839, patent was granted to Sumner King for Elliptical spring for carriages. …
Celebrity Patent - Bill Nye, the science guy, patented an improved ballet toe shoe. This shoe helps reduce pain experienced by a ballet dancer Bill Nye, the science guy, patented an improved ballet toe shoe. This shoe helps reduce pain experienced by a ballet dancer. Bill Nye met some…
