|
GB191229302A
|
|
Improvements in or relating to Portable Electric Lamps.
|
|
GB191225784A
|
|
Improvements in or relating to Depolarising Agents for Galvanic Cells.
|
|
GB191219856A
|
|
Improvements in or relating to Packing-envelopes or Paking-cases for Electric Batteries and Cells.
|
|
GB191219451A
|
|
Improvements in or relating to Switches for Electric Hand Lamps.
|
|
GB191219318A
|
|
Improvements in or relating to Self-contained Portable Electric Lamps.
|
|
GB191310597A
|
|
Improvements in or relating to Handles for Hand Lamps & other Articles.
|
|
GB191011051A
|
|
Improvements in or relating to Holders or Fittings for Electric Incandescent Lamps.
|
|
GB190929238A
|
|
Improvements in or relating to the Warming of Internal Combustion Motors.
|
|
GB190900785A
|
|
Improvements in or relating to Watches or Clocks.
|
|
GB190802676A
|
|
Improvements in or relating to Holders for Electric Incandescent Lamps.
|
|
GB190725830A
|
|
Improvements in or relating to Electric Switches.
|
|
GB190720821A
|
|
Improvements in or relating to Surgical Lamps and the like.
|
|
GB190717066A
|
|
Improvements in or relating to Holders or Fittings for Electric Incandescent Lamps.
|
|
GB190701963A
|
|
Improvements in Electrical Switches.
|
