Lesson #313: The Greatest Thing Before Sliced Bread

Here’s an interesting tidbit I ran across today: the pop-up toaster was patented before the automatic bread slicer.

The patent for the pop-up toaster was issued to Charles Strite (patent number 1,394,450) by the US Patent office on 18 October, 1921. The patent can be seen/read here.

The patent for the automatic bread slicer was issued to Otto Rohwedder (patent number 1,867,377) by the US Patent office on 12 July, 1932. That patent can be seen/read here.

What’s interesting is that as Rohwedder had blueprints for a bread slicer by 1917, but they, along with a prototype, were destroyed in a factory fire, forcing him to start from scratch. The first bread slicer went on sale in 1927, and the patent application was filed in 1928.*

More on that here.

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