DH

David E. Hanzel

CI Cisco: 1 patents #7,901 of 13,007Top 65%
Overall (All Time): #2,921,290 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10146525 Supporting hitless upgrade of call processing nodes in cloud-hosted telephony system Andre V. Vaguine, Mark L. Hendrickson, Chris Pearce, Rajeev Narang 2018-12-04