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.)
Harry Russell Proud and Norman Rober Riggall Stanley
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
Filing date
Publication date
Application filed by BICC PLCfiledCriticalBICC PLC
Application grantedgrantedCritical
Publication of AU21861ApublicationCriticalpatent/AU21861A/en
Publication of AU247357B2publicationCriticalpatent/AU247357B2/en