59404 ⎘
Pens with ink reservoirs in holders, e.g. fountain-pens
Sub-classes:EFFICIENT INK ERASURE SYSTEM
#2MARKER DEVICE FOR USE WITH A CNC LAYOUT TABLE
#3DEVICE FOR DISPENSING CHEMILUMINESCENT SOLUTION
#4Radio-opaque writing instruments and methods of use
#5Writing instrument with magnetic features and quick refill capability
#6Aqueous ink composition for writing instruments
#7Writing implement
#8Device for dispensing chemiluminescent solution
#9Transitorially erasable ink compositions and writing instruments containing same
#10Application pen and method for the production thereof
#11Two side writing fountain pen
#12Writing instrument and ink cartridge unit
#13Liquid applicator
#14Radio-opaque writing instruments and methods of use