No posts with label Still another object of this invention is to provide a new and novel device which is worn on the head of the user for preventing the ingestion of food, which is simple and inexpensive in construction, which does not interfere with transmission of speech or breathing by the user and which may be locked in place on the user's head to prevent removal while at the same time permitting removal under emergency conditions.. Show all posts
No posts with label Still another object of this invention is to provide a new and novel device which is worn on the head of the user for preventing the ingestion of food, which is simple and inexpensive in construction, which does not interfere with transmission of speech or breathing by the user and which may be locked in place on the user's head to prevent removal while at the same time permitting removal under emergency conditions.. Show all posts