John Pinch — 1 Patent at AT&T | Patent Leaderboard

John Pinch has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 2007. John Pinch ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Pinch in Richardson, TX, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7227837	Fault tolerant virtual tandem switch	Haifeng Bi, George C. Allen, Jr., Randy Beamon, Weijing Chen, Janice Elaine Doerner +8 more	2007-06-05	$191,588,000

John Pinch — 1 Patent

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