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.)
Wallace A Erickson and Co
Original Assignee
Wallace A Erickson and 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 Wallace A Erickson and CofiledCriticalWallace A Erickson and Co
Publication of FR2174919A1publicationCriticalpatent/FR2174919A1/fr
Application grantedgrantedCritical
Publication of FR2174919B1publicationCriticalpatent/FR2174919B1/fr