CH

Charles K. Heizer

IR Imperial Research: 2 patents #1 of 1Top 100%
📍 Chesterfield, MO: #43 of 404 inventorsTop 15%
🗺 Missouri: #155 of 1,427 inventorsTop 15%
Overall (2004): #70,407 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6719547 Offset thread screw rotor device 2004-04-13
6719548 Twin screw rotor device 2004-04-13