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.)
PERMANENT RAILWAY TIE CORP
Original Assignee
PERMANENT RAILWAY TIE CORP
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 PERMANENT RAILWAY TIE CORPfiledCriticalPERMANENT RAILWAY TIE CORP
Priority to ES77879ApriorityCriticalpatent/ES77879A1/es
Publication of ES77879A1publicationCriticalpatent/ES77879A1/es