Cartridge-type writing implement having internal valve
Center locator for alignment of work to machine spindle
Centerfinding machine
Chalk holder with a resilient latch element
Chalk screen image projector
Circle dividing device
Circle maker apparatus
Circumscribing apparatus
Clip actuated retractable ball point pen
Clip attachment apparatus for a writing instrument
Clip for pencil sharpener
Clip for writing instrument and method of attaching same
Clip retention plug
Clipboard with padded writing surface
Closure cap for a writing instrument
Clutch mechanism of coat film transfer tool and coat film...
Clutch mechanism of coat film transfer tool and coat film...
Coat film transfer head device and coat film transfer tool
Coat film transfer tape cartridge and coat film transfer tool
Coating film transfer device