Y/M/D Description Place
1912/00/00 Otto Rohwedder begins working on a machine that will sliced a loaf of neatly.
1927/00/00 Otto Frederick Rohwedder invents an automatic bread-slicing and packaging machine for commercial use.
1928/00/00 In late 1917 when a fire destroys Otto Rohwedder's blueprints for a bread slicer at a Monmouth, Illinois, factory was engaged to manufacture his device.
1928/00/10 Otto Rohwedder's second bread-slicer, manufactured by the Micro Machine Company, is used to slice loaves of bread at Korn's Bakery, Davenport, Iowa. It is now at the National Museum of American History. Davenport, Iowa
1928/07/07 Otto Rohwedder applies for patents for his invention and sells a devise to friend and baker, Frank Bench. Bench's Chillicothe Baking Company, in Chillicothe, Missouri, begins offering Kleen Maid Sliced Bread at quality grocers in the area on 7 July 1928. Chillicothe, MO, Missouri
1929/11/00 The Great Depression pushes Rohwedder to sell his rights to his invention to the Micro-Westco Co of Bettendorf, Iowa. Rohwedder becomes vice president and sales manager in its newly created Rohwedder Bakery Machine Division.
1930/00/00 Continental Baking Company begins producing sliced Wonder Bread.
1931/00/00 The Phoenix Bakery begins producing Holsum sliced bread in their new facility at Washington and 7th streets. Phoenix Bakery, Phoenix, Phoenix
1932/07/12 United States Patent No 1,867,377 is issued to Otto Frederick Rohwedder.

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