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 John Trimble DotyfiledCriticalJohn Trimble Doty
Priority to BE617241ApriorityCriticalpatent/BE617241A/fr
Publication of BE617241ApublicationCriticalpatent/BE617241A/fr