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
CA913593A
Inventor
Kruger Fritz
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.)
Bremshey and Co
Original Assignee
Bremshey and Co
Publication date
Application grantedgrantedCritical
Publication of CA913593ApublicationCriticalpatent/CA913593A/en