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.)
Knowlton Wellman Chester Aloysius Bielawski and Carl Errett Swartz Samuel
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.)
Thes K Wellman Co
Original Assignee
Thes K Wellman Co
Filing date
Publication date
Application filed by Thes K Wellman CofiledCriticalThes K Wellman Co
Application grantedgrantedCritical
Publication of AU213108B2publicationCriticalpatent/AU213108B2/en
Publication of AU1630056ApublicationCriticalpatent/AU1630056A/en