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.)
Sidney David Hough
Original Assignee
Sidney David Hough
Filing date
Publication date
Application filed by Sidney David HoughfiledCriticalSidney David Hough
Priority to US357238ApriorityCriticalpatent/US3274900A/en
Application grantedgrantedCritical
Publication of AU2921463ApublicationCriticalpatent/AU2921463A/en
Publication of AU272919B2publicationCriticalpatent/AU272919B2/en