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 - Lifetime
Application number
CA89727F
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.)
Philip G Freda
Original Assignee
Philip G Freda
Publication date
Priority to CA89727FpriorityCriticalpatent/CA89727S/en
Application grantedgrantedCritical
Publication of CA89727SpublicationCriticalpatent/CA89727S/en