KOHPLASTIC
Filed: September 11, 1947
CLEANING RUBBER ERASERS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71534114
POLYCOLOR
Filed: September 11, 1947
WOODENCASED PENCILS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71534116
FAUST
Filed: September 11, 1947
LEAD PENCILS AND COLORED PENCILS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71534117
Image Trademark
Filed: September 11, 1947
WOOD-ENCASED PENCILS OF ALL KINDS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71534119
TECHNIFLEX
Filed: July 22, 1950
PENCILS-NAMELY, COLORED PENCILS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71601104
FLEXICOLOR
Filed: July 22, 1950
PENCILS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 71601105
KOH-I-QUICK
Filed: May 17, 1961
WRITING DEVICE HAVING AN INK RESERVOIR AND A FELT NIB
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72120205
ACETOGRAPH
Filed: May 19, 1961
FOUNTAIN PENS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72120411
TECHNOBALL REPROLAR
Filed: December 4, 1961
BALLPOINT PENS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72133263
"KOLOR-KODED"
Filed: January 23, 1963
PENCILS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72161257
SPACE-O-GRAPH
Filed: March 11, 1963
TECHNICAL FOUNTAIN PENS AND PARTS THEREOF
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72164347
LUXOSCRIPT
Filed: September 17, 1965
DRAWING LEADS FOR DRAFTING LEAD HOLDERS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72228046
PROJECTACHROME
Filed: April 25, 1966
MARKING PENS
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72244201
MEPHISTO
Filed: August 9, 1967
BALL POINT PENS, BLUEPRINT CHECKING PENCILS, DRAWING PENCILS, COLORED INDELIBLE PENCILS, COPYING PENCILS, WATERCOLORING…
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72277915
TECHNOS
Filed: March 29, 1968
CONTAINERS FILLED WITH INDIA INK
Owned by: L. & C. Hardtmuth, Inc.
Serial Number: 72294494