2004-10-30/2019-10-04 - From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed., by David H. Fox (Organ Historical Society, 1997). — Patents awarded to Howard M. Thomas, North Tonawanda, New York, 1969:–1976; alone and with others as listed below. Patent #3,965,791; June 29, 1976; stop tablet . Patent #3,420,131; January 7, 1969; electronic combination. (Jointly with Robert Quigley.) Patent #3,491,645; January 27, 1970; electric action. (Jointly with Harold M. Schwartz.) Source: Information taken from the text of the United States patents listed.
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