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This logo image consists only of simple geometric shapes or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain. Although it is free of copyright restrictions, this image may still be subject to other restrictions.
This version of the Griswold logo is the most popular and well known of the different variations, and images of this logo are often seen as the standard for representing collections of antique cast-iron cookware in general. During the early 1940s, Griswold changed its logo to a much smaller sized image, commonly known as the "small logo" Griswold.
Griswold signals on 22nd Avenue NE, Minneapolis, pictured in 2018. In 1927, Griswold introduced the rotating banner signal. This was a unique combination of highway flasher and rotating stop sign (similar to a school bus stop sign). An approaching train would trigger not just the requisite red flashing lights and bells, but a mechanism that ...
These railroad-crossing signals near the California Building in Northeast Minneapolis were built by the Griswold Signal Company of Minneapolis. Until very recently, they featured stop signs that rotated out to face the auto traffic when a train was coming.
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Griswold Manufacturing, an American manufacturer of cast iron home products based in Erie, Pennsylvania, that operated from 1865 until 1957; Griswold Signal Company, a manufacturer of traffic signals and railroad grade crossing signals based in Minneapolis, Minnesota
Samuel Griswold (December 27, 1790 in Burlington, Connecticut – September 14, 1867 in Clinton, Georgia) was an American industrial pioneer in the 1820s based in central Georgia. He was the founder of Griswoldville village, an industrial site. His father was Jeremiah Griswold (1745–1813) and his mother was Phoebe Case (1751–1798).