2004-10-30/2019-09-04 - 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 Carl Fogelberg, Boston, Massachusetts, 1870-1887. Patents: Patent #101,605; April 5, 1870; melody attachment for organ. Patent #121,768; December 12, 1871; organ keyboard. Patent #187,261; February 13, 1877; pipe. Patent #192,061; June 19, 1877; pipe. Patent #237,378; February 8, 1881; organ bellows. (Jointly with G. W. Graves) Patent #258,908; June 6, 1882; organ. Patent #188,527; August 29, 1876; reed organ tremolo. Patent #355,984; January 11, 1887; stop action Patent #355,985; January 11, 1887; bellows action for reed organ. Source: Information taken from the text of United States patents listed here.
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