Wippell (J.) & Co. Ltd
J. Wippell & Co. Ltd is a long established firm of clerical outfitters and church furnishings based in Exeter, Devon. They expanded into stained glass in 1896, employing a number of designers, including A F. Erridge, George Cooper-Abbs, Frederick W Cole, Kenneth Bunton and Roy Coomber.
Sources:
J. Wippell & Co. Ltd website
Stained Glass Marks & Monograms, complied by Joyce Little, and edited by Angela Goedicke & Margaret Washbourn (NADFAS, 2002)