David W. Perkins

PS Paper Systems: 2 patents #1 of 1Top 100%

📍 Cedar Rapids, IA: #15 of 135 inventorsTop 15%

🗺 Iowa: #86 of 1,101 inventorsTop 8%

Overall (2003): #70,780 of 273,478Top 30%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6575629	Collapsible bag	—	2003-06-10
6516965	Stackable collapsible container	—	2003-02-11