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
CA801593A
Inventor
Thomas B. Totten
Original Assignee
C AND M PRODUCTS Ltd
Publication date
Application grantedgrantedCritical
Publication of CA801593ApublicationCriticalpatent/CA801593A/en