Thomas Lunn — 7 Patents at Comcast

Thomas Lunn has been granted 7 US patents while listed as an inventor at Comcast. The first was granted in 1993 and the most recent in July 2013. Thomas Lunn ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Thomas Lunn in Hudson, WI, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8482213	Electronic ballast with pulse detection circuit for lamp end of life and output short protection	Wei Xiong, Christopher Radzinski	2013-07-09
8450946	Zone addressing circuit for an electronic ballast	Candice Damian	2013-05-28
8378579	Ballast circuit for a gas discharge lamp with a control loop to reduce filament heating voltage below a maximum heating level	Wei Xiong	2013-02-19	$92,000
8288956	Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state	Wei Xiong, Christopher Radzinski	2012-10-16	$62,000
7923942	Constant current source mirror tank dimmable ballast for high impedance lamps	Wei Xiong, Christopher Radzinski	2011-04-12	$82,000
7843141	Low cost step dimming interface for an electronic ballast	Wei Xiong, Christopher Radzinski	2010-11-30	$134,000
5202683	Optical traffic preemption detector	Steven M. Hamer, David L. Wortman	1993-04-13	$12,027,000

Thomas Lunn — 7 Patents

Issued Patents All Time

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