David Ramsden — 37 Patents at AT&T

David Ramsden has been granted 37 US patents while listed as an inventor at AT&T. The first was granted in 1993 and the most recent in May 2021. David Ramsden ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list David Ramsden in Wall, NJ, US.

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11009616	Neutron detection	Mark A. Foster	2021-05-18
10429523	Apparatus and methods for gamma ray detection	—	2019-10-01
10310102	Gamma-ray detector	Mark A. Foster	2019-06-04
10126442	Spherical neutron detector	—	2018-11-13
9720111	Neutron detector and method for detecting neutrons	Mark A. Foster	2017-08-01
9535177	Gamma-ray spectrometry	—	2017-01-03
9485352	Method for measuring processing delays of voice-over IP devices	Wallace F. Smith	2016-11-01
9465119	Gamma-ray spectrometer	John Manslow	2016-10-11
9268044	Neutron spectrometer	Calvin Giles	2016-02-23
9160842	Method for measuring processing delays of voice-over IP devices	Wallace F. Smith	2015-10-13	$31,065,000
9046613	Radiation detector	Calvin Giles	2015-06-02
8938066	Methods, apparatus and articles of manufacture to cancel echo for communication paths having long bulk delays	—	2015-01-20	$27,109,000
8917639	Eliminating false audio associated with VoIP communications	James H. James, Allen Mollica	2014-12-23	$18,888,000
8755411	Systems and methods to measure the performance of a de-jitter buffer	Bing Chen	2014-06-17	$23,699,000
8730852	Eliminating false audio associated with VoIP communications	James H. James, Allen Mollica	2014-05-20	$12,696,000
8577019	Methods, apparatus and articles of manufacture to detect echo during teleconferences	Douglas Jones	2013-11-05	$17,370,000
8503311	Method for measuring processing delays of voice-over IP devices	Wallace F. Smith	2013-08-06	$13,144,000
8452002	Methods, apparatus and articles of manufacture to cancel echo for communication paths having long bulk delays	—	2013-05-28	$16,473,000
8391126	Method and apparatus for providing echo cancellation in a network	James H. James, Wallace F. Smith	2013-03-05	$19,542,000
8384016	Stabilization in gamma-ray spectometry	—	2013-02-26
8374993	Radioactive isotope identification	Matthew Dallimore, Grant Crossingham	2013-02-12
8319188	Gamma-ray detector	Christopher Burt	2012-11-27
8125918	Method and apparatus for evaluating adaptive jitter buffer performance	Bing Chen	2012-02-28	$31,161,000
8089992	Systems and methods to measure the performance of a de-jitter buffer	Bing Chen	2012-01-03	$16,389,000
7899639	Method and apparatus for identifying a fault in a communication path	Wallace F. Smith, James H. James	2011-03-01	$19,035,000

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David Ramsden — 37 Patents

Issued Patents All Time

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