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.)
F J Gruen
Original Assignee
F J Gruen
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 F J GruenfiledCriticalF J Gruen
Priority to ES55417ApriorityCriticalpatent/ES55417A1/en
Publication of ES55417A1publicationCriticalpatent/ES55417A1/en