Paint feeding apparatus in combination with a fountain type pain
Pen-like device incorporating a multi-colored printer
Pool cleaning system
Printhead/ink cartridge for pen
Printing device having retractable nib actuated printer
Systems and methods for dispensing multi-component products
Tooth brush device having a dentifrice supplier
Toothbrush with plural supply
Universal pen with code sensor
Universal pen with position or motion sensing
Universal pen with position or motion sensing
Universal pen with sampler
Writing instrument with plural feeds