2004-10-30/2019-08-26 - 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 Joseph Gildersleeve, London, England, 1890: Patent #439,397; 28 Oct. 1890; Organ. "...construction of a chamber pipe organ—that is to say, an organ suitable for a drawing room—as it will occupy no more floor-space than an ordinary cottage-piano." Source: Information taken from the text of United States patent #439,397, https://pdfpiw.uspto.gov/.piw?PageNum=0&docid=00439397&IDKey=3F4246CD4D16%0D%0A&HomeUrl=http%3A%2F%2Fpatft.uspto.gov%2Fnetahtml%2FPTO%2Fpatimg.htm.
2019-08-27/2019-08-27 - From Organ Database Builders editor Stephen Hall, August 26, 2019. — Joseph Gildersleeve (b.1841-d.1925) of 20 Torbay Street, Kentish Town, London NW. He was a metal pipe maker, voicer and tuner to the organ trade. Sources: Waymarking.com, "Church Organ, All Saints - Old Buckenham, Norfolk", http://www.waymarking.com/waymarks/WMN93Z_Church_Organ_All_Saints_Old_Buckenham_Norfolk British Institute of Organ Studies, "Gildersleeve, Joseph" https://www.npor.org.uk/NPORView.html?RI=N06556.
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