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.)
Francis Lawrence Walling and William Clayton Vanness Eugene Otto Mayer
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.)
Singer Co
Original Assignee
Singer Co
Filing date
Publication date
Application filed by Singer CofiledCriticalSinger Co
Application grantedgrantedCritical
Publication of AU211956B2publicationCriticalpatent/AU211956B2/en
Publication of AU2669157ApublicationCriticalpatent/AU2669157A/en