
Ralph Teetor
Inventor
1890 – 1982
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Who was Ralph Teetor?
Ralph Teetor was a prolific inventor who invented cruise control. He was the longtime president of the automotive parts manufacturer The Perfect Circle Co. in Hagerstown, Indiana, a manufacturer of piston rings.
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"Ralph Teetor." Biographies.net. STANDS4 LLC, 2025. Web. 12 Feb. 2025. <https://www.biographies.net/people/en/ralph_teetor>.
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