59539 ⎘
Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
Sub-classes:Writing instruments
#2Retractable element for a writing implement
#3Multifunction writing instrument
#4Writing instrument comprising two concentric writing tips
#5Manual device with two retractable heads carried by a single carriage
#6Surgical marker
#7Composite writing implement
#8Surgical marker
#9Art medium surface treatment tool
#10Surgical marker
#11Multicolor writing tools and methods
#12Multicolor writing tools and methods
#13Multi-function writing instrument with propulsion mechanism
#14Pivotal manipulation type writing instrument
#15Stylus having retracted and extended positions
#16Multicolor writing tools and methods
#17Combination writing instrument
#18Multi-purpose pen
#19Multicolor writing tools and methods
#20Combination pen or pencil and circular marking implement
#21Mechanical crayon pen with an internal cartridge for multiple crayon sticks
#22Combination writing instrument
#23Writing instrument with a storage device