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- Google Patents
AU206595B2 - Improvements relating to colour-light searchlight signals
- Google Patents
Improvements relating to colour-light searchlight signals
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Filing date
Publication date
Application filed by General Railway Signal CofiledCriticalGeneral Railway Signal Co
Application grantedgrantedCritical
Publication of AU206595B2publicationCriticalpatent/AU206595B2/en
Publication of AU724655ApublicationCriticalpatent/AU724655A/en