HS

Harold G. Simpson

HS Harold Simpson: 1 patents #1 of 2Top 50%
📍 Oklahoma City, OK: #11 of 52 inventorsTop 25%
🗺 Oklahoma: #177 of 727 inventorsTop 25%
Overall (1994): #128,261 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5303528 Standing seam roof assembly and support apparatus Leo E. Neyer 1994-04-19