2004-10-30/2019-04-29 - From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed. by David H. Fox (Richmond, Va.: Organ Historical Society, 1997). &mdash. With Casavant firm of Saint-Hyacinthe, Québec, Canada, c. 1930. Patent held jointly with Samuel Casavant and Arthur Letiecq: Patent #1,760,813; May 27, 1930; stop action. Sources: Information taken from the text of a United States patent.
2015-09-24/2019-02-07 - See main entry: Casavant Frères Ltée.
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