Electrical and scientific apparatus Trademarks Filed in July 13, 1949
TROLLEYPHONE
Filed: July 13, 1949
TELEPHONE APPARATUS OF THE MODULATED CARRIER WAVE TYPE
Owned by: FARMERS ENGINEERING & MANUFACTURING CO.
Serial Number: 71581871
Image Trademark
Filed: July 13, 1949
SLIDE RULES
Owned by: WOLFE, ROY BOUDINOT
Serial Number: 71581920
