DS

Daniel D. Friel, Sr.

ED Edgecraft: 3 patents #1 of 3Top 35%
📍 Wilmington, DE: #18 of 250 inventorsTop 8%
🗺 Delaware: #35 of 524 inventorsTop 7%
Overall (2005): #25,402 of 245,428Top 15%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6881137 Manual knife sharpener with angle control 2005-04-19
6875093 Sharpening device Daniel D. Friel, Jr., Terry Hall 2005-04-05
6863600 Apparatus for precision edge refinement of metallic cutting blades 2005-03-08