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.)
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.)
BETHUNE ALEXANDER
BURNS FREDERIC F
Original Assignee
BETHUNE ALEXANDER
BURNS FREDERIC F
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 BETHUNE ALEXANDER, BURNS FREDERIC FfiledCriticalBETHUNE ALEXANDER
Application grantedgrantedCritical
Publication of CA73812ApublicationCriticalpatent/CA73812A/fr