Pylon Electronic Development Co., Ltd.

Also on record

Records under this name other than patents Pylon Electronic Development Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Pylon Electronic Development Co., Ltd.

Patent	Title	Status	Expires	Confidence
US 3,947,747	Regulated transistorized DC to DC converter and parallel operation of plurality of converters Term ended Term ended no later than Mar 30, 1996 · Low confidence	Term ended	Term ended no later than Mar 30, 1996	Low confidence
US 4,011,486	Tone operated switching arrangement Term ended Term ended no later than Mar 8, 1997 · Low confidence	Term ended	Term ended no later than Mar 8, 1997	Low confidence
US 4,090,043	Electronic hybrid circuit Term ended Term ended no later than May 16, 1998 · Low confidence	Term ended	Term ended no later than May 16, 1998	Low confidence
US 4,168,402	Electronic trunk selector Term ended Term ended no later than Sep 18, 1999 · Low confidence	Term ended	Term ended no later than Sep 18, 1999	Low confidence
US 4,426,214	Laminated filters Term ended Term ended no later than Jan 17, 2004 · Low confidence	Term ended	Term ended no later than Jan 17, 2004	Low confidence
US 4,464,574	Sampling devices for detecting particulate contaminants Term ended Term ended no later than Aug 7, 2004 · Low confidence	Term ended	Term ended no later than Aug 7, 2004	Low confidence
US 4,540,932	Talk filtered power supply Term ended Term ended no later than Sep 10, 2005 · Low confidence	Term ended	Term ended no later than Sep 10, 2005	Low confidence