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.)
ALBERT W UPDACK
EMMANUEL M GRIGGS
SAMUEL L RILEY
Original Assignee
ALBERT W UPDACK
EMMANUEL M GRIGGS
SAMUEL L RILEY
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 ALBERT W UPDACK, EMMANUEL M GRIGGS, SAMUEL L RILEYfiledCriticalALBERT W UPDACK
Application grantedgrantedCritical
Publication of FR444707ApublicationCriticalpatent/FR444707A/en