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
CA642141A
Inventor
Futterman Julius
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 APPARATUS CO
Original Assignee
PRECISION APPARATUS CO
Publication date
Application grantedgrantedCritical
Publication of CA642141ApublicationCriticalpatent/CA642141A/en