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
CA913041A
Inventor
Robin F. De Schulthess
Original Assignee
Bobtex Corp Ltd
Publication date
Application grantedgrantedCritical
Publication of CA913041ApublicationCriticalpatent/CA913041A/en