59436 ⎘
Ball-point pens; Ink reservoirs; Ink cartridges Arrangements for filling the reservoirs, e.g. arrangements at the ball-point ends
Multi-cartridge pen devices and writing instruments
#2Ballpoint pen refill and ballpoint pen
#3Space pen refill for extravehicular activity
#4Molten gold writing apparatus
#5External fluid source fillable writing instrument
#6MARKING INSTRUMENTS AND METHODS OF MANUFACTURING MARKING INSTRUMENTS