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
CA084699A
Inventor
B. Freeman Alfred
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.)
THOMAS ORGAN CO
Original Assignee
THOMAS ORGAN CO
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by THOMAS ORGAN COfiledCriticalTHOMAS ORGAN CO
Priority to CA084699ApriorityCriticalpatent/CA930990A/en
Application grantedgrantedCritical
Publication of CA930990ApublicationCriticalpatent/CA930990A/en