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…
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…
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