Robert A. Kimball — 16 Patents at Durel

Robert A. Kimball has been granted 16 US patents while listed as an inventor at Durel. The first was granted in 1994 and the most recent in July 2023. Robert A. Kimball ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Robert A. Kimball in Scottsdale, AZ, US.

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Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11710759	Single contact relief print generator	David A. Hardinger, Spencer R. Canizales, Sang Hoon Chae, Frederick Frye, Dong Hyuk JANG	2023-07-25
7876399	Liquid crystal display with split electrode	Mark A. Seelhammer, David G. Pires	2011-01-25	$4,497,000
7843140	AC switch with zero off current for EL panel	Christopher Eric Papke, Harold Gee Yee	2010-11-30	$3,843,000
7190600	Single output EL driver producing reduced current spikes	Kenneth Vi Ung, Harold Gee Yee	2007-03-13
7009346	Driving an EL panel without DC bias	Mahyar Vahabzadeh, William A. Coghlan	2006-03-07
6597123	Inverter for driving EL lamp and liquid crystal display	Brian Buell	2003-07-22
6580222	Inverter for driving EL lamp and light emitting diodes	Brian Buell	2003-06-17
6462485	EL driver for small semiconductor die	—	2002-10-08
6407507	Personal electronic device having EL lamp and buzzer powered from a single inductor	—	2002-06-18
6204609	Enhanced inverter for powering an EL lamp	—	2001-03-20
5502357	Low cost inverter for EL lamp	—	1996-03-26
5493183	Open loop brightness control for EL lamp	—	1996-02-20
5483503	Split chip inverter for EL lamp	—	1996-01-09
5349269	Power supply having dual inverters for electroluminescent lamps	—	1994-09-20
5347198	Low cost AC switch for electroluminescent lamps	—	1994-09-13
5313141	Three terminal inverter for electroluminescent lamps	—	1994-05-17

Robert A. Kimball — 16 Patents

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