Security surveillance system with alarm and image recording functions - providing undetected recording or obvious recording with deterrent effect under control of programmable central unit
GB191501221A
An Improvement in and relating to Electric-Arc Lamp Carbon Ferrules.
GB191310142A
Safety Shield for Airmen.
GB190926891A
Improvements in Builders' Cradles.
GB190710388A
Improvements in Tent Construction.
GB190612448A
Improvements relating to Writing Tablets
GB190320826A
A New or Improved Fire Lighter.
GB190226074A
An Improved Detachable India Rubber Heel for Boots and Shoes
GB190218560A
Improvements in or relating to Cooking Apparatus.
GB189518459A
Combined Threshing Machine and Mill, and Improvements in Parts of same.
GB189423396A
Improvements in Boiling and Concentrating Apparatus.
GB189412642A
Improvements in Tents.
GB189319537A
New or Improved Method and Means for Roughing Horse Shoes to Prevent Slipping.
GB189314731A
Improvements in or connected with Loom Lathes and Shuttle Boxes.
CA19618A
Process for locking up type on galleys
CA13928A
Improvements in the method of, and apparatus for breaking down and getting coal and other minerals in mining
