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.)
Yves Charles Eugene Lescroel Bogdan Grabowski and Charles Louis Guillaud Andrle Pierrot
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.)
International Telephone and Telegraph Corp
Original Assignee
International Telephone and Telegraph Corp
Filing date
Publication date
Application grantedgrantedCritical
Publication of AU1925056ApublicationCriticalpatent/AU1925056A/en
Publication of AU211028B2publicationCriticalpatent/AU211028B2/en
Application filed by International Telephone and Telegraph CorpfiledCriticalInternational Telephone and Telegraph Corp