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
CA887551A
Inventor
W. Dowd James
D. Jacobs Robert
L. Mercer Harry
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.)
JP Stevens and Co Inc
Original Assignee
JP Stevens and Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA887551ApublicationCriticalpatent/CA887551A/en