BT&D Technologies, Ltd.
Records under this name other than patents BT&D Technologies, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to BT&D Technologies, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,826,276 | Optical fiber feedthrough assembly having a rigidizing arrangement therein Formerly held Term ended Term ended no later than May 2, 2009 · Low confidence | Term ended | Term ended no later than May 2, 2009 | Low confidence |
| US 4,851,079 | Producing lithium niobate waveguide structures Term ended Term ended no later than Jul 25, 2009 · Low confidence | Term ended | Term ended no later than Jul 25, 2009 | Low confidence |
| US 4,854,659 | Optical devices Term ended Term ended no later than Aug 8, 2009 · Low confidence | Term ended | Term ended no later than Aug 8, 2009 | Low confidence |
| US 4,865,410 | Decoupled fiber optic feedthrough assembly Formerly held Term ended Term ended no later than Sep 12, 2009 · Low confidence | Term ended | Term ended no later than Sep 12, 2009 | Low confidence |
| US 4,911,520 | Fiber optic switch and method of making same Term ended Term ended no later than Mar 27, 2010 · Low confidence | Term ended | Term ended no later than Mar 27, 2010 | Low confidence |
| US 4,917,451 | Waveguide structure using potassium titanyl phosphate Term ended Term ended no later than Apr 17, 2010 · Low confidence | Term ended | Term ended no later than Apr 17, 2010 | Low confidence |
| US 4,983,009 | Light transmitting device utilizing indirect reflection Formerly held Term ended Term ended no later than Jan 8, 2011 · Low confidence | Term ended | Term ended no later than Jan 8, 2011 | Low confidence |
| US 4,995,546 | Device mounting Formerly held Term ended Term ended no later than Feb 26, 2011 · Low confidence | Term ended | Term ended no later than Feb 26, 2011 | Low confidence |
| US 5,011,246 | Housing for an opto-electronic device Term ended Term ended no later than Apr 30, 2011 · Low confidence | Term ended | Term ended no later than Apr 30, 2011 | Low confidence |
| US 5,037,174 | Optical fiber having an aspherical lens thereon and method of making same Formerly held Term ended Term ended no later than Aug 6, 2011 · Low confidence | Term ended | Term ended no later than Aug 6, 2011 | Low confidence |