Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mac Grew John A
Original Assignee
Mac Grew John A
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 Mac Grew John AfiledCriticalMac Grew John A
Priority to ES81121ApriorityCriticalpatent/ES81121A1/en
Publication of ES81121A1publicationCriticalpatent/ES81121A1/en
ES81121A1922-03-271922-03-27
An improved method, with corresponding means for the operation of the propulsion units of the vehicles.
ExpiredES81121A1
(en)