DH

David L. Houghton

📍 Mission Viejo, CA: #32 of 106 inventorsTop 35%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #163,227 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5660017 Steel moment resisting frame beam-to-column connections — 1997-08-26