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
CA844754A
Inventor
J. Garde Albert
A. Hanlon George
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.)
Whitney Blake Co
Original Assignee
Whitney Blake Co
Publication date
Application grantedgrantedCritical
Publication of CA844754ApublicationCriticalpatent/CA844754A/en