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.)
WOODALL DUCKHAM VERTICAL RETOR
Permutit Co Ltd
Stewarts and Lloyds Ltd
Original Assignee
WOODALL DUCKHAM VERTICAL RETOR
Permutit Co Ltd
Stewarts and Lloyds Ltd
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 WOODALL DUCKHAM VERTICAL RETOR, Permutit Co Ltd, Stewarts and Lloyds LtdfiledCriticalWOODALL DUCKHAM VERTICAL RETOR
Application grantedgrantedCritical
Publication of FR1053834ApublicationCriticalpatent/FR1053834A/fr