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.)
A Altmann Ingenieur
Original Assignee
A Altmann Ingenieur
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 DE1221CpublicationCriticalpatent/DE1221C/de
Application filed by A Altmann IngenieurfiledCriticalA Altmann Ingenieur