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Antique Ingraham Clocks

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Patents in clockmaking usually cover innovations to clockworks, the wheels and springs and escapements that together contribute to a clock’s ability to keep accurate time. In the case of Elias Ingraham, founder of the 19th-century Connecticut company that bore his name, the patents he applied for concerned the design of his cases. In fact, Ingraham won 17 patents between 1853 and 1873, all protecting the design of his clocks, most of which...Continue Reading