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.)
Karl Kress & Oskar Hummel
Original Assignee
Karl Kress & Oskar Hummel
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 Karl Kress & Oskar HummelfiledCriticalKarl Kress & Oskar Hummel
Application grantedgrantedCritical
Publication of FR457673ApublicationCriticalpatent/FR457673A/fr