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.)
Heer & Wipfler
Original Assignee
Heer & Wipfler
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Filing date
Publication date
Application filed by Heer & WipflerfiledCriticalHeer & Wipfler
Application grantedgrantedCritical
Publication of FR868588ApublicationCriticalpatent/FR868588A/en