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The original Rubik's Cube patent

The original Rubik's Cube patent

Charles Darrow filed his original patent for "a board game apparatus" in August 1935. Here's an excerpt from the application! ‪

Charles Darrow filed his original patent for "a board game apparatus" in August 1935. Here's an excerpt from the application! ‪

Don't Forget to Take That Pill! Patent Inventions That Can Help // Timed birthcontrol pill dispenser

Don't Forget to Take That Pill! Patent Inventions That Can Help // Timed birthcontrol pill dispenser

1936: Henry F. Phillips receives patents for a new kind of screw and the new screwdriver needed to make it work. It changes the worlds of mass production and machine repair, not to mention your home toolbox.

1936: Henry F. Phillips receives patents for a new kind of screw and the new screwdriver needed to make it work. It changes the worlds of mass production and machine repair, not to mention your home toolbox.

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