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.)
ERDMANN SCHWABBAUER
ISIDOR GUTTMANN
Original Assignee
ERDMANN SCHWABBAUER
ISIDOR GUTTMANN
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 ERDMANN SCHWABBAUER, ISIDOR GUTTMANNfiledCriticalERDMANN SCHWABBAUER
Application grantedgrantedCritical
Publication of FR330252ApublicationCriticalpatent/FR330252A/fr