Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA812947A
Inventor
R. Heathe William
E. Hein Dale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dentists Supply Company of New York
Original Assignee
Dentists Supply Company of New York
Publication date
Application grantedgrantedCritical
Publication of CA812947ApublicationCriticalpatent/CA812947A/en