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.)
HUMPHREY AND SONS
Original Assignee
HUMPHREY AND SONS
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 HUMPHREY AND SONSfiledCriticalHUMPHREY AND SONS
Application grantedgrantedCritical
Publication of CA107733ApublicationCriticalpatent/CA107733A/fr