2004-10-30/2020-04-09 - 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 Hironori Watanabe, Hamamatsu, Japan, 1979. Patent #4,157,049; 5 Jun. 1979; electronic combination . Source: Information taken from the text of a United States patent.
Regrettably, it is not possible to display the information about the sponsor of this pipeorgandatabase entry or if there is a sponsor. Please see About Sponsors on Pipe Organ Database.