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
CA707606A
Inventor
S. Heisler Jerome
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.)
DELAWARE BARREL AND DRUM Co
Original Assignee
DELAWARE BARREL AND DRUM Co
Publication date
Application grantedgrantedCritical
Publication of CA707606ApublicationCriticalpatent/CA707606A/en