Knudson and Kettering of General Motors defend patents to the Monopoly Committee. Kettering invented and patented an electrical
RMID:Image ID:DD75FN
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Everett Collection Historical / Alamy Stock PhotoImage ID:
DD75FNFile size:
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3000 x 2442 px | 25.4 x 20.7 cm | 10 x 8.1 inches | 300dpiPhotographer:
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Knudson and Kettering of General Motors defend patents to the Monopoly Committee. Kettering invented and patented an electrical starter for General Motors. Dec. 6, 1938. (BSLOC_2013_7_120)