David A. Perry

AL Aluminum Ladder: 1 patents #1 of 5Top 20%

📍 Akron, OH: #46 of 169 inventorsTop 30%

🗺 Ohio: #1,649 of 5,836 inventorsTop 30%

Overall (2003): #240,056 of 273,478Top 90%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6502267	Conveyor crossover	Ellie H. MacDonald	2003-01-07