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.)
Symington Gould Co
Original Assignee
Symington Gould Co
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Filing date
Publication date
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Publication of CA93905ApublicationCriticalpatent/CA93905A/en