A drywall tape dispenser of the hand-held portable type has a tape supply roll journaled between spaced apart sidewalls for forward advancement of a drywall tape along a guide path established between a pair of pinch rolls and upwardly along a pressure roller at the leading end of the dispenser. The...http://www.google.es/patents/US4406730?utm_source=gb-gplus-sharePatente US4406730 - Drywall tape dispenser
