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 Peter F Heering FafiledCriticalPeter F Heering Fa
Application grantedgrantedCritical
Publication of DK48177CpublicationCriticalpatent/DK48177C/en