RF

Roxanne Fredrickson

📍 Castle Rock, CO: #5 of 18 inventorsTop 30%
🗺 Colorado: #688 of 2,710 inventorsTop 30%
Overall (2005): #113,383 of 245,428Top 50%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6909040 Low cost musical quality hand drum Todd Strandberg 2005-06-21