Diadem Manufacturing Company, Mfrs. of Celluloid Novelties
Address: 1910-1936 114 Lunenburg Street, Fitchburg, Massachusetts, USA
1936 moved to Leominster, Massachusetts
Current Address: 106 Carter St., Leominster, Massachusetts
The Diadem Manufacturing Co. was listed in the Fitchburg Directories from 1910 – 1936.
Design Patent: 1915 US D47718
Trademark: 1921 US 71146207
Listing in 1920 Fitchburg Directory, p. 48
Listing in 1935 Fitchburg Directory, p. 56
