On September 25, 1908, Elmer Sperr filed a patent for gyroscope. He is noted as father of modern navigation technology. By the time of his…
Tag: Tech
Serendipitous Invention (TEFLON): This Day in Patent History - On February 4, 1941 Roy Plunkett received a patent for TEFLON
Serendipitous Invention – TEFLON On February 4, 1941 Roy Plunkett received a patent for “tetrafluoro-ethylene polymers” (TEFLON). Roy serendipitously invented TEFLON, while working for a…
This Day in Patent History - On January 23, 1849, a patent was granted for an envelope-making machine, greatly reducing the time needed for the mass production of envelopes
On January 23, 1849, a patent was granted for an envelope-making machine, greatly reducing the time needed for the mass production of envelopes. Patent…