Toothbrush with bendable head for implementing the bass brushing technique
A Standard patent application filed on 26 March 1997 credited to Butler, Frank Monroe Jr.
;
Butler, Clarence Palin
Details
Application number :
25914
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Toothbrush with bendable head for implementing the bass brushing technique