2004-10-30/2019-09-05 - From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed., by David H. Fox (Organ Historical Society, 1997). — Patent awarded to Wellington Albert Mills, North Tonawanda, New York, 1926. Patent #1,604,467; October 26, 1926; electropneumatic action. Source: Information taken from the text of a United States patent.
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