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
CA668225A
Inventor
H. Harris 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.)
Acrometal Products Inc
Original Assignee
Edward H Harris
Acrometal Products Inc
Publication date
Application grantedgrantedCritical
Publication of CA668225ApublicationCriticalpatent/CA668225A/en