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.)
Boegel & Letsch
Original Assignee
Boegel & Letsch
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 Boegel & LetschfiledCriticalBoegel & Letsch
Priority to DE1938B0184037priorityCriticalpatent/DE690076C/de
Application grantedgrantedCritical
Publication of DE690076CpublicationCriticalpatent/DE690076C/de