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.)
GEORGE HENRY BOWSER JOHN LAWSON STEWART and RICHARD RAYMOND LELCHUK and JOHN P. BOLOGNA RENATO JOSEPH MAZZONI
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.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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 of AU494263B2publicationCriticalpatent/AU494263B2/en
Priority claimed from US05/454,338external-prioritypatent/US3971178A/en
Priority claimed from US454210Aexternal-prioritypatent/US3928953A/en
Application filed by PPG Industries IncfiledCriticalPPG Industries Inc
Publication of AU7939275ApublicationCriticalpatent/AU7939275A/en