|
GB191420386A
|
|
Improvements in or applicable to Miner's Safety Lamps.
|
|
GB191111480A
|
|
Improvements in or applicable to Miners' Safety Lamps.
|
|
GB191102552A
|
|
A New or Improved Device for Electrically Igniting Miners' Safety Lamps.
|
|
GB191026892A
|
|
Improved Means for Electrically Igniting Miners' Safety Lamps.
|
|
GB190912751A
|
|
Improvements in or applicable to Miners' Safety Lamps.
|
|
GB190905158A
|
|
Improvements in or applicable to Miners' Safety Lamps.
|
|
GB190806196A
|
|
An Improvement applicable to Miners' Safety Lamps.
|
|
GB190806195A
|
|
An Improvement in or applicable to Burners for Miners' Lamps.
|
|
GB190703057A
|
|
A New or Improved Miners' Safety Lamp
|
|
GB190622679A
|
|
An Improved Burner for Miners' Lamps
|
|
GB190622150A
|
|
A Device for use in Smoke Rooms in Hotels and like Places
|
|
GB190622077A
|
|
A New or Improved Match Box
|
|
GB190621618A
|
|
An Improved Match Box
|
|
GB190617276A
|
|
Improvements in or applicable to Miners' Safety Lamps
|
|
GB190610037A
|
|
Improvements in or applicable to Miners' Safety Lamps
|
|
GB190516753A
|
|
Improvements in or Applicable to Miners' Safety Lamps.
|
|
GB190516275A
|
|
Improvements in or applicable to Miners' Safety Lamps
|
|
GB190514998A
|
|
Improvements in or applicable to Miners' Safety Lamps
|
|
GB190513061A
|
|
Improvements in or applicable to Miners' Safety Lamps
|
|
GB190414321A
|
|
An Improvement applicable to Miner's Safety and other similar Lamps
|
