Keith Barr — 13 Patents at Exelys

Keith Barr has been granted 13 US patents while listed as an inventor at Exelys. The first was granted in 1992 and the most recent in January 2009. Keith Barr ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Keith Barr in Los Angeles, CA, US.

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Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date
7474914	Portable cardiac monitor including a range limiter	—	2009-01-06
7361188	Portable cardiac monitor	—	2008-04-22
7188426	Inclination sensor	—	2007-03-13
7184130	Method for improving the received signal to noise ratio of a laser rangefinder	—	2007-02-27
6871051	Serial data transmission system using minimal interface	Frank Thomson, Peter J. Celi	2005-03-22
D488731	Inclination sensor	—	2004-04-20
6163197	Low noise method for interconnecting analog and digital integrated circuits	Frank Thomson	2000-12-19
6043708	Fully complementary folded cascode amplifier	—	2000-03-28
5969562	Low noise method for interconnecting analog and digital integrated circuits	—	1999-10-19
5541781	Method for synchronizing digital audio tape recorders	Alan Zak, Marcus Ryle, David Brown	1996-07-30
5321561	Format for recording digital audio onto magnetic tape with enhanced editing and error correction capability	Alan Zak, Marcus Ryle, David Brown	1994-06-14
5297181	Method and apparatus for providing a digital audio interface protocol	Alan Zak, Marcus Ryle, David Brown, Carl Lafky	1994-03-22
5161200	Microphone	—	1992-11-03

Keith Barr — 13 Patents

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