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
CA640534A
Inventor
M. Harrison James
E. Smucker 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.)
Crown Machine and Tool Co Inc
Original Assignee
Crown Machine and Tool Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA640534ApublicationCriticalpatent/CA640534A/en