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.)
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Westf Gasgluehlichtfabrik F W & Dr C Killing
Original Assignee
Westf Gasgluehlichtfabrik F W & Dr C Killing
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Application filed by Westf Gasgluehlichtfabrik F W & Dr C KillingfiledCriticalWestf Gasgluehlichtfabrik F W & Dr C Killing
Application grantedgrantedCritical
Publication of FR470043ApublicationCriticalpatent/FR470043A/fr