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.)
Expired
Application number
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.)
PULSOMETER ENG CO
Original Assignee
PULSOMETER ENG CO
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Filing date
Publication date
Application filed by PULSOMETER ENG COfiledCriticalPULSOMETER ENG CO
Application grantedgrantedCritical
Publication of GB189408641ApublicationCriticalpatent/GB189408641A/en