Howard L. Barkdull, Jr.

📍 Lakewood, OH: #117 of 447 inventorsTop 30%

🗺 Ohio: #23,384 of 73,341 inventorsTop 35%

Overall (All Time): #1,659,403 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5261137	Method of span construction	—	1993-11-16
4712335	Method of span construction	—	1987-12-15
4454620	Span construction	—	1984-06-19