DS

Daniel D. Friel, Sr.

ED Edgecraft: 3 patents #1 of 4Top 25%
📍 Wilmington, DE: #34 of 325 inventorsTop 15%
🗺 Delaware: #70 of 728 inventorsTop 10%
Overall (2011): #51,220 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8043143 Sharpeners to create cross-grind knife edges Bela Elek, Daniel D. Friel, Jr. 2011-10-25
D641225 Three stage manual knife sharpener Thomas M. Huber 2011-07-12
D641226 Two stage manual knife sharpener Thomas M. Huber 2011-07-12