Obliquely walled electrical box
Off-set communications cable
Offset "O" internal shield design for PCM telephone cables
Offset and polarized crimping die and die holder
Offset constant thickness web for insulator support disk
Offset reformable jumper
Oil field mats
Oil filled power bushing with piston
Oil well cable
Oil well cable
Oil well cable
Oil well cable
Oil well cable
Oil well cable
Oil well electrical cable with gas conducting channel and vent
Oil-filled cable pothead with venting means and tool therefor
Oil-filled electric cable installations comprising pressurizing
Oil-filled electric cable joint without oil channel in joint ins
Oil-filled electric cable with alternate layers of plastic and p
Oil-filled, multi-core cable with at least one conductor differi