|
US2850110A
|
|
Translucent acoustical ceiling panels
|
|
US2850109A
|
|
Light-permeable sound-absorbing panel
|
|
US2800965A
|
|
Light-transmitting plastic sheet panels
|
|
US2826683A
|
|
Fluorescent lighting fixture
|
|
US2596337A
|
|
Fixture and holder for fluorescent lamps
|
|
GB669993A
|
|
Improvements in and relating to lighting fittings
|
|
US2583489A
|
|
Spray booth
|
|
US2565435A
|
|
Baffle and reflector for lighting fixtures
|
|
US2596336A
|
|
Fixture and holder for fluorescent lamps
|
|
US2481531A
|
|
Fitting for lighting fixtures
|
|
US2543641A
|
|
Lighting fixture and fittings therefor
|
|
US2301817A
|
|
Safety device for intermittently operated machinery
|
|
US2330738A
|
|
Electric lighting fixture
|
|
US2352602A
|
|
Electric horn
|
|
US2287566A
|
|
Motor operated horn
|
|
US2300504A
|
|
Lighting fixture construction
|
|
US2287565A
|
|
Electric lighting fixture
|
|
US2287564A
|
|
Electric fixture
|
|
US2272176A
|
|
Electric lighting fixture
|
|
US2285728A
|
|
Combined latch and clamp construction
|
