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.)
ROBERT HENRY WELKER and ARTHUR EDWARD KRIEGER WILLIAM LEO HELMBRECHT
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.)
Libbey Owens Ford Glass Co
Original Assignee
Libbey Owens Ford Glass Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Libbey Owens Ford Glass CofiledCriticalLibbey Owens Ford Glass Co
Application grantedgrantedCritical
Publication of AU415905B2publicationCriticalpatent/AU415905B2/en
Publication of AU6206865ApublicationCriticalpatent/AU6206865A/en