CJ

Charles L. Gray, Jr.

UE US EPA: 2 patents #1 of 1Top 100%
📍 Pinckney, MI: #1 of 23 inventorsTop 5%
🗺 Michigan: #144 of 6,370 inventorsTop 3%
Overall (2003): #10,687 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6651432 Controlled temperature combustion engine 2003-11-25
6652247 Fully-controlled, free-piston engine 2003-11-25
6619325 Hydraulic hybrid accumulator shut-off valve 2003-09-16
6582204 Fully-controlled, free-piston engine 2003-06-24
6578533 Controlled homogeneous-charge, compression-ignition engine 2003-06-17