EL

Ewan S. Livingstone

EL Eev Limited: 4 patents #2 of 62Top 4%
EC English Electric Valve Co.: 1 patents #32 of 66Top 50%
📍 Airdrie, GB: #8 of 28 inventorsTop 30%
Overall (All Time): #1,056,933 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5450433 Laser arrangement including effeciency improving gas reservoirs in thermal insulation Graeme L. Clark 1995-09-12
5339327 Metal vapor laser apparatus Graeme L. Clark 1994-08-16
5287370 Laser apparatus Arthur Maitland, Brian Condon 1994-02-15
4955033 Metal vapor laser apparatus Arthur Maitland 1990-09-04
4899362 Metal vapor laser with improved laser medium formation Arthur Maitland 1990-02-06