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.)
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British Transport Commission And Percy Walter Bollen
Original Assignee
British Transport Commission And Percy Walter Bollen
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Application filed by British Transport Commission And Percy Walter BollenfiledCriticalBritish Transport Commission And Percy Walter Bollen
Application grantedgrantedCritical
Publication of AU665555ApublicationCriticalpatent/AU665555A/en
Publication of AU201253B2publicationCriticalpatent/AU201253B2/en