DG

David Grabelsky

HP HP: 2 patents #2 of 83Top 3%
📍 Skokie, IL: #5 of 37 inventorsTop 15%
🗺 Illinois: #967 of 6,921 inventorsTop 15%
Overall (2011): #105,591 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8027333 IP-based enhanced emergency services using intelligent client devices Michael Homeier, Anoop Tripathi, Boby Joseph 2011-09-27
7990955 Method and apparatus for PSTN-based IP active call recovery and re-routing Michael Homeier 2011-08-02