From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). -

Established in Cleveland, Ohio, 1930 by Kurt Ruhland; active in Parma and Cleveland, Ohio, 1989-1995.

Sources:

• Susan Caust Farrell, Directory of Contemporary American Musical Instrument Makers (Columbia, MO: The University of Missouri Press, 1981), 119.
• The American Organist, May 1989, 18.