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.)
FRANK PHILIPPE KOBERT
Original Assignee
FRANK PHILIPPE KOBERT
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Filing date
Publication date
Application filed by FRANK PHILIPPE KOBERTfiledCriticalFRANK PHILIPPE KOBERT
Application grantedgrantedCritical
Publication of FR430523ApublicationCriticalpatent/FR430523A/fr
Boulon-écrou indesserrable pour la fixation des rails de chemins de fer aux traverses métalliques, éclisses, coeurs d'embranchement, et pour toutes autres applications