Sam E. J. Chan — 6 Patents at Lightpath Technologies

Sam E. J. Chan has been granted 6 US patents while listed as an inventor at Lightpath Technologies. The first was granted in 1997 and the most recent in February 2008. Sam E. J. Chan ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Sam E. J. Chan in Tsuen Wan, CN.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7335843	Computer keyboard backlighting	King Sum Chu, W. Edward Church, Randall Krafft, W. STEVE RECTOR, WILL R. HARWOOD	2008-02-26
6871978	Computer keyboard backlighting	W. Edward Church, King Sum Chu, Randall Krafft	2005-03-29	$172,000
6765503	Backlighting for computer keyboard	King Sum Chu, W. Edward Church, Randall Krafft	2004-07-20	$371,000
6322229	Backlighting for computer keyboard	King Sum Chu, W. Edward Church, Randall Krafft	2001-11-27
5926169	Computer work station with voice messaging	Edward Church	1999-07-20
D380162	Angel watch	W. Edward Church	1997-06-24

Sam E. J. Chan — 6 Patents

Issued Patents All Time

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