HS

Harold G. Simpson

HS Harold Simpson: 3 patents #1 of 1Top 100%
📍 Oklahoma City, OK: #3 of 70 inventorsTop 5%
🗺 Oklahoma: #22 of 631 inventorsTop 4%
Overall (1997): #15,972 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5697197 Roof panel system having increased resistance to wind loads 1997-12-16
5692352 Roof panel standing seam assemblies 1997-12-02
5685118 Roof panels with stiffened endlaps 1997-11-11