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 Kovacs Istvan, Kovacs MatefiledCriticalKovacs Istvan
Priority to HU0004440ApriorityCriticalpatent/HU224889B1/hu
Publication of HU0004440D0publicationCriticalpatent/HU0004440D0/hu
Publication of HUP0004440A2publicationCriticalpatent/HUP0004440A2/hu
Publication of HU224889B1publicationCriticalpatent/HU224889B1/hu