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.)
Accounting & Tabulating Corp
Original Assignee
Accounting & Tabulating Corp
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 Accounting & Tabulating CorpfiledCriticalAccounting & Tabulating Corp
Application grantedgrantedCritical
Publication of FR784590ApublicationCriticalpatent/FR784590A/fr