David E. Hanzel — 1 Patent at Cisco

David E. Hanzel has been granted 1 US patent while listed as an inventor at Cisco. All of these patents were granted in 2018. David E. Hanzel ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David E. Hanzel in Sachse, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$48,685,000

David E. Hanzel — 1 Patent

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