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 William Percival, Pettifer Chapman ThomasfiledCriticalWilliam Percival
Publication of CH27013ApublicationCriticalpatent/CH27013A/fr
CH27013A1902-08-191902-08-19Dispositif à ressorts pour sièges, dossiers de voitures de chemins de fer ou autres véhicules, bancs, sofas, chaises, etc.
CH27013A
(fr)