David Tso has been granted 4 US patents. The first was granted in 2015 and the most recent in November 2018. David Tso ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Tso in Milpitas, CA, US.
Patents per Year Patents granted per year, 2015 to 2018 Bar chart with a peak of 2 patents in 2017. peak 2 2015: 1 patents 2015 2017: 2 patents 2017 2018: 1 patents 2018
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date
10129404 Systems and methods for managing multi-tenant callback services Wesley Smith , Derek Burdick , Wayne Sheppard , Dennis Empey 2018-11-13
9742918 Systems and methods for managing multi-tenant callback services Wesley Smith , Derek Burdick , Wayne Sheppard , Dennis Empey 2017-08-22
9602668 Systems and methods for managing multi-tenant callback services Wesley Smith , Derek Burdick , Wayne Sheppard , Dennis Empey 2017-03-21
9031223 Systems and methods for managing multi-tenant callback services Wes Smith , Derek Burdick , Wayne Sheppard , Dennis Empey 2015-05-12