DJ

Douglas J. Howery, Jr.

JH Johnson Heater: 1 patents #4 of 6Top 70%
📍 O'Fallon, MO: #272 of 454 inventorsTop 60%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,208,633 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8186132 No-through-metal structural panelized housing system for buildings and enclosures and economical process for manufacture of same Charles Christiansen 2012-05-29