PARKER PEN COMPANY, THE Trademarks
DUOFOLD
Filed: January 14, 1922
FOUNTAIN PENS
Owned by: PARKER PEN COMPANY, THE
Serial Number: 71157956
DUOFOLD
Filed: March 12, 1924
PENS AND PENCILS
Owned by: PARKER PEN COMPANY, THE
Serial Number: 71193677
PLATHEIUM
Filed: July 5, 1943
PEN POINTS OF PRECIOUS METAL
Owned by: PARKER PEN COMPANY, THE
Serial Number: 71461875
PARKER "51"
Filed: September 14, 1945
FOUNTAIN PENS, MECHANICAL PENCILS, AND DESKSETS
Owned by: PARKER PEN COMPANY, THE
Serial Number: 71488475