59434 ⎘
Ball-point pens; Ink reservoirs; Ink cartridges pressurised, e.g. by gas
Sub-classes:Free ink writing instrument with microfluidic valve
#2BALLPOINT DRY-ERASE MARKER
#3Writing utensil with pressurizing mechanism
#4Writing instrument for forming thermochromic handwriting
#5Transitorially erasable ink compositions and writing instruments containing same
#6Liquid applying tool
#7Water-based ink composition and water-based ballpoint pen
#8Writing instrument
#9Assisted opening compact novelty utensil
#10MULTIFUNCTIONAL WRITING APPARATUS WITH CAPACITIVE TOUCH SCREEN STYLUS
#11Flexible air pump with stand-alone diaphragm valve
#12Liquid supply device
#13Finger-tip controlled writing utensil and associated method
#14Million color pen
#15Ink cartridge structure for pens
#16Pressurized pen
#17Pressurized pen
#18Pen adapted to be pressurized
#19Applicator device
#20Applicator device
#21Coating fluid and fluid applicator
#22Refill for correction pen and refill unit
#23Ink composition for pressurized ball-point pen and pressurized ball-point pen
#24Microprint pen
#25Gas pressurized writing instrument and writing instrument refill
#26Gas-pressurized writing instrument and writing instrument refill
#27Composite writing instrument