![]() and moved with his wife Carrie to Albion, Michigan, where their daughter Margaret (Rohwedder) Steinhauer and his sister Elizabeth Pickerill lived. In 1951, Rohwedder, at age 71, retired from Micro-Westco Co. ![]() He became vice-president and sales manager of the Rohwedder Bakery Machine Division. of Bettendorf, Iowa, and joined the company. That same year Rohwedder sold his patent rights to the Micro-Westco Co. In 1933 American bakeries for the first time produced more sliced than unsliced bread loaves. By 1932 the availability of standardized slices had boosted sales of automatic, pop-up toasters, an invention of 1926 by Charles Strite. It was followed by other major companies when they saw how the bread was received. In 1930 Continental Baking Company introduced Wonder Bread as a sliced bread. He also applied for patents for his concepts. He developed a better way to have the machine wrap and keep bread fresh. Louis, Missouri, bought Rohwedder's second machine and found he could improve on it. Sales of the machine to other bakeries increased and sliced bread became available across the country. The first loaf of sliced bread was sold commercially on July 7, 1928. He applied for patents to protect his invention and sold the first machine to a friend and baker Frank Bench, who installed it at the Chillicothe Baking Company, in Chillicothe, Missouri, in 1928. ![]() In 1927 Rohwedder successfully designed a machine that not only sliced the bread but wrapped it. With the need to get funding again, Rohwedder was delayed for several years in bringing the bread slicer to market. It destroyed his prototype and blueprints. In 1917 a fire broke out at the factory where Rohwedder was manufacturing his machine. Convinced he could develop a bread slicing machine, he sold his jewelry stores to fund the development effort and manufacture the machines. He used his work with watches and jewelry to invent new machines. Rohwedder first had a brief career as a jeweler, and became the owner of three jewelry stores in St. ![]() Francisville, Louisiana, and had two children, Margaret and Richard. Rohwedder married Carrie Johnson in 1905. Rohwedder also studied optometry, graduating in 1900 with a degree in optics from what is now the Illinois College of Optometry in Chicago. He then became an apprentice to a jeweler to learn a trade. Rohwedder and his family lived in Davenport, where he attended Davenport public schools. He was the second youngest of four brothers and a sister. Rohwedder was born in Davenport, Iowa, in 1880, the son of Claus and Margaret Rohwedder, of ethnic German descent. It was first used by the Chillicothe Missouri Baking Company. Otto Frederick Rohwedder (J– November 8, 1960) was an American inventor and engineer who created the first automatic bread-slicing machine for commercial use. ![]()
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