December 14, 1940 Trademarks
PYROTRON
Filed: December 14, 1940
Measuring and Controlling Systems and Apparatus for Temperature Including, Air Pilot Valve Recorder-Controllers, Pyrometer…
Owned by: Babock & Wilcox Company, The
Serial Number: 71438828
PRISMACOLOR
Filed: December 14, 1940
Lead Pencils
Owned by: Berol Corporation
Serial Number: 71438835
ALBANENE
Filed: December 14, 1940
Tracing Paper
Owned by: Keuffel & Esser Company
Serial Number: 71438844
