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.)
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.)
ST LOUIS TIN AND SHEET METAL WORKING Co
Original Assignee
ST LOUIS TIN AND SHEET METAL WORKING Co
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Filing date
Publication date
Application filed by ST LOUIS TIN AND SHEET METAL WORKING CofiledCriticalST LOUIS TIN AND SHEET METAL WORKING Co
Application grantedgrantedCritical
Publication of CA179280ApublicationCriticalpatent/CA179280A/fr