Cincinnati, Ohio, 1876–1896.
Note from the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va., Organ Historical Society, 1991). Edited for the revised OHS Online Database website, July 2017. -
Succeeded Koehnken & Co.; partnership of Johann H. Koehnken and Gallus Grimm in Cincinnati, Ohio, 1876–1896; Frederick T. Denghausen was a partner, 1860–1864; succeeded by G. Grimm & Son.