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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand CorpfiledCriticalSperry Rand Corp
Publication of ES284988A1publicationCriticalpatent/ES284988A1/es
ES284988A1962-02-211963-02-01Un perfeccionamiento en los mecanismos de cambio de las máquinas calculadoras, registradoras y similares
ExpiredES284988A1
(es)