ES14596A1 -
Improvements in the improvements in the mechanism or apparatus to regulate the supply of electrical energy to the lamps and other devices.
- Google Patents
Improvements in the improvements in the mechanism or apparatus to regulate the supply of electrical energy to the lamps and other devices.
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.)
Davis Edward Pinder
Original Assignee
Davis Edward Pinder
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 Davis Edward PinderfiledCriticalDavis Edward Pinder
Priority to ES14596ApriorityCriticalpatent/ES14596A1/en
Publication of ES14596A1publicationCriticalpatent/ES14596A1/en
ES14596A1893-05-231893-05-23
Improvements in the improvements in the mechanism or apparatus to regulate the supply of electrical energy to the lamps and other devices.
ExpiredES14596A1
(en)
An apparatus formed by a special arrangement of electric lamps and reflectors with edges of suitable shapes so that illuminated by them can produce the effect of letters, numbers and drawings.