I have some information for you from my father Guy Schum, who is son of Frank Schum (diseased) of Doylestown, Bucks County, PA. Regarding Philip Schum the weaver:
Philip Schum 1814-1880 was born in the grand duchy of Hesse-Darmstadt, Germany and settled in Lancaster County after 1844. He opened a weaving business in Lancaster city by 1856, known as Lancaster Carpet, Coverlet, Quilt and Yarn Manufactory. at first he was located in a small building on Dowart Street; a larger factory was erected in 1862 at the corner of Strawberry and South Water Streets. He began with 4 men and one or two looms. Then he acquired 2 or 3 more looms and hired 8 opperators. Later still he was up to 20 looms and hired a total of 40 men.This expansion may or may not have had to do with possible government blanket contracts for the army during the Civil War. This is not known. In 1875 production was 500 yards of carpet per week, 400 quilts(actually woven coverlets in the Jaquard style). At his death in 1880, while crossing a city rail line in his buggy being struck by a train, his estate numbered vaste quantities of coverlets, yarns, flannels, etc. His property consisted of a carpet shop, weaving shop, dye house, retail store, coalyard, and another store. Listed in inventory 390 hailf-wool coverlets, with numerous counterpanes, cradle quilts and other bed coverings. His coverlets are marked, MADE BY PHILIP SCHUM LANCASTER PA. They have patriotic motifs and are many times dated 1869. The quality of these coverlets is somewhat wanting and they are often found in poor condition as a result. See the book A CHECKLIST OF AMERICAN COVERLET WEAVERS by John Heisey, University Press of Virginia 1978
I hope this information helps you out. If you get this please post a reply to the forum and let me know if you find anything more.