Orthochrome Trademarks

ORTHOCHROME
alginate, orthodontic
Abandoned  ·  October 21, 1996  ·  75184517  · 
ORTHOCHROME
METAL ALLOY OF COBALT CHROMIUM USED AS A COMPONENT PART OF OR AS A FEATURE OF A PROSTHETIC DEVICE
Expired  ·  November 16, 1971  ·  72407774  ·