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.)
MCELROY-GRUNOW ELECTRIC RAILWAY SYSTEM
Original Assignee
MCELROY-GRUNOW ELECTRIC RAILWAY SYSTEM
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 MCELROY-GRUNOW ELECTRIC RAILWAY SYSTEMfiledCriticalMCELROY-GRUNOW ELECTRIC RAILWAY SYSTEM
Application grantedgrantedCritical
Publication of CA71238ApublicationCriticalpatent/CA71238A/fr