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
CA756087A
Inventor
T. Patterson Alexander
W. Neame Hubert
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.)
RICHMOND INDUSTRIAL EQUIPMENT Ltd
Original Assignee
RICHMOND INDUSTRIAL EQUIPMENT Ltd
Publication date
Application grantedgrantedCritical
Publication of CA756087ApublicationCriticalpatent/CA756087A/en