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
CA822015A
Inventor
H. Watts Claude
A. Horton Robert
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.)
Precision Metalsmiths Inc
Original Assignee
Precision Metalsmiths Inc
Publication date
Application grantedgrantedCritical
Publication of CA822015ApublicationCriticalpatent/CA822015A/en