|
US3664615A
|
|
Ceiling fixture support
|
|
US3548187A
|
|
Lighting fixture
|
|
US3349238A
|
|
Glare-free office lighting device and the like
|
|
US3348465A
|
|
Lighting and ventilating troffer assembly
|
|
US3302019A
|
|
Incandescent light fixture improvements
|
|
US3263071A
|
|
Light fixture shield
|
|
US3263072A
|
|
Recessed light fixture
|
|
US3271570A
|
|
Light fixture assembly
|
|
US3181450A
|
|
Ventilation and lighting
|
|
US3094285A
|
|
Ceiling illuminating system
|
|
US2918995A
|
|
Joints and method of making joints
|
|
CA673542A
|
|
Illuminated ceiling
|
|
CA671201A
|
|
Integrated ceiling system
|
|
CA739315A
|
|
Light diffuser
|
|
CA601726A
|
|
Joints and method of making joints
|
|
CA591793A
|
|
Luminous sound absorbing ceiling
|
|
CA730551A
|
|
Lighting
|
|
CA737329A
|
|
Recessed light fixture
|
