Charles Teetor of Hagerstown, Indiana was an inventor and a industrialist. His first company was the Railway Cycle Manufacturing Company which became the Light Inspection Car Company in 1904 … the company eventually become known as the Perfect Circle Corporation in 1926. See more early history of this company.

Teetor’s early business venture, the Light Inspection Car Company, was located in Hagerstown, Indiana.
The Teetor family, collectively, secured over 60 U.S. Patents! The cruise control, used by millions of drivers each day was invented by Ralph Teetor. Teetor’s gasoline engines were used in the Pilot automobile, (shown above, a model 50). Pilot’s cars were made in Richmond, Indiana.


The beginning of Teetor’s success….The Velocipede




TEETOR-HARTLEY CARS BEING USED IN 39 COUNTRIES

Railroad Telegrapher Advertisment ~ January, 1914





Dear Sir:
There were four brothers that founded Perfect Circle, Charlie Teetor was the oldest. My great grandfather, Benjamin Frank Teetor was a partner in many of Charlie’s businesses. Having spent my summers in Hagerstown, IN I have many fond memories and also much dissension regarding ownership and acknowledgments. Cheers to the Two Sisters Candy.