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.)
Theodore Struck Everett Gorin William Earl Lough and Nels Elmer Siljander Robert
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.)
Pittsburgh Consolidation Coal Co
Original Assignee
Pittsburgh Consolidation Coal Co
Filing date
Publication date
Application filed by Pittsburgh Consolidation Coal CofiledCriticalPittsburgh Consolidation Coal Co
Application grantedgrantedCritical
Publication of AU203756B2publicationCriticalpatent/AU203756B2/en
Publication of AU78754ApublicationCriticalpatent/AU78754A/en