DH

David E. Hanzel

CI Cisco: 1 patents #549 of 1,617Top 35%
📍 Sachse, TX: #30 of 75 inventorsTop 40%
🗺 Texas: #5,205 of 15,368 inventorsTop 35%
Overall (2018): #445,802 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

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