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.)
NEUE GLUEHLAMPEN GmbH
Original Assignee
NEUE GLUEHLAMPEN GmbH
Publication date
Priority to DEN28124DpriorityCriticalpatent/DE471999C/de
Priority to GB2144828Aprioritypatent/GB301014A/en
Application grantedgrantedCritical
Publication of DE471999CpublicationCriticalpatent/DE471999C/de