De Novo s.r.o.
|De Novo s.r.o. Patent applications|
|Patent application number||Title||Published|
|20100272495||CHALK HOLDER WITH A RESILIENT LATCH ELEMENT - A chalk holder comprising a shaft and a slide formed by a chalk receiving part with a protruding spring-mounted upper arm extending through a longitudinal guide slot and provided with a button; the receiving part (||10-28-2010|