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.)
William Reckard Berwick and George Downie Albert George Berwick
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.)
Gaskell and Chambers Ltd
Original Assignee
Gaskell and Chambers Ltd
Publication date
Application grantedgrantedCritical
Publication of AU251253B2publicationCriticalpatent/AU251253B2/en
Publication of AU6746660ApublicationCriticalpatent/AU6746660A/en