JC

John Cromrich

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Clancy, MT: #4 of 15 inventorsTop 30%
🗺 Montana: #987 of 3,198 inventorsTop 35%
Overall (All Time): #2,326,502 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4963305 Insulated face brick Lynn B. Cromrich 1990-10-16
4831802 Insulated face brick Lynn B. Cromrich 1989-05-23