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 L. Herron and Stanley J. Ketterer Richard P. Graham
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 AU237891B2publicationCriticalpatent/AU237891B2/en
Publication of AU5822260ApublicationCriticalpatent/AU5822260A/en