|
US4845795A
|
|
Automatic cleaning device
|
|
US4827550A
|
|
Removable head mechanism for automatic cleaning device
|
|
CA1288555C
|
|
Removable head mechanism for automatic cleaning device
|
|
EP0208401A2
|
|
Power-driven cleaning brush
|
|
DE811858C
|
|
Ceramic mass and objects made from it
|
|
US2517100A
|
|
Method of forming ceramic articles and producing different colors or shades along different portions of the article
|
|
FR913117A
|
|
Ceramic articles and material and method of coloring them
|
|
GB607207A
|
|
Ceramic articles such as artificial teeth and material and method for colouring or shading the same
|
|
US2406208A
|
|
Ceramic article and material and method for coloring or shading the same
|
|
US2450885A
|
|
Means for and method of making artificial teeth
|
|
US2412207A
|
|
Production of artificial tooth structures
|
|
US2295864A
|
|
Artificial tooth
|
|
US2328379A
|
|
Artificial tooth
|
|
US2334319A
|
|
Ceramic denture material and denture or denture part
|
|
US2337036A
|
|
Resilient mold
|
|
US2271454A
|
|
Method of forming a reproducting of an article
|
|
GB508204A
|
|
Improvements in or relating to artificial teeth and method and means of making the same
|
|
US2165466A
|
|
Method of making shell-like porcelain tooth structures
|
|
US2196258A
|
|
Method of molding ceramic articles
|
|
US2179502A
|
|
Retention means for artificial teeth, gum sections, and the like
|
