JH

John David Hartman

LI Liftseat: 1 patents #1 of 5Top 20%
📍 Chicago, IL: #299 of 948 inventorsTop 35%
🗺 Illinois: #2,058 of 6,921 inventorsTop 30%
Overall (2011): #261,829 of 364,097Top 75%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8056158 Devices and methods for body elevation Graham Robert Byrne Henshaw, Daniel A. Peterson, David Chesley, Jeffrey Cogan Nelson 2011-11-15