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.)
JOHN BERTRAM AND SONS Co
NILES-BEMENT-POND Co
Original Assignee
JOHN BERTRAM AND SONS Co
NILES-BEMENT-POND 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 JOHN BERTRAM AND SONS Co, NILES-BEMENT-POND CofiledCriticalJOHN BERTRAM AND SONS Co
Application grantedgrantedCritical
Publication of CA99644ApublicationCriticalpatent/CA99644A/fr