John Standard was an African American inventor from Newark, N.J., responsible for the patent on an improved refrigerator cooling system. John Standard found a way to improve the existing design of refrigerators by developing a non-electrical and unpowered design. He combined parts of the refrigerator's design to create a new arrangement of parts that improved the functioning and efficiency of refrigerators. John Standard was also instrumental in improving the design of the oil stove by using a design he patented on Oct. 29, 1889. He managed to create a space-saving oil stove design that could be used in various settings, such as buffet
African-american john standard biography format pdf
John standard black inventor
African-american john standard biography format example
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| African-american john standard biography format pdf |
John standard black inventor |
| African-american john standard biography format example |
African-american john standard biography format |