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
CA752256A
Inventor
P. Boylan Bernard
J. White Herman
J. Pyre George
B. Boylan Edward
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.)
PEER CARTAGE CO
Original Assignee
PEER CARTAGE CO
Publication date
Application grantedgrantedCritical
Publication of CA752256ApublicationCriticalpatent/CA752256A/en