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 Improved Machinery IncfiledCriticalImproved Machinery Inc
Publication of FI50157BpublicationCriticalpatent/FI50157B/fi
Application grantedgrantedCritical
Publication of FI50157CpublicationCriticalpatent/FI50157C/sv