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
CA687982A
Inventor
Horberg William
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.)
HORBERG GRINDING INDUSTRIES
Original Assignee
HORBERG GRINDING INDUSTRIES
Publication date
Application grantedgrantedCritical
Publication of CA687982ApublicationCriticalpatent/CA687982A/en