2004-10-30/2019-04-29 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). - Patents awarded to Michael James Kerigan, Boston, Massachusetts, 1870s. Patent #99,322; February 1, 1870; blowing device for organ. Patent #101,742; April 12, 1870; tremolo for reed or pipe organ. Patent #122,257; December 26, 1871; reed organ swell. Source: Information taken from the text of the United States patents listed above.
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