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
CA689331A
Inventor
Robert C. Symons
Original Assignee
Timberland Ellicott Ltd
Publication date
Application grantedgrantedCritical
Publication of CA689331ApublicationCriticalpatent/CA689331A/en