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.)
Ehrich und Graetz AG
Original Assignee
Ehrich und Graetz AG
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Filing date
Publication date
Application filed by Ehrich und Graetz AGfiledCriticalEhrich und Graetz AG
Application grantedgrantedCritical
Publication of FR410997ApublicationCriticalpatent/FR410997A/fr