DS

Daniel D. Friel, Sr.

ED Edgecraft: 2 patents #1 of 1Top 100%
📍 Wilmington, DE: #21 of 264 inventorsTop 8%
🗺 Delaware: #44 of 479 inventorsTop 10%
Overall (1989): #29,596 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D303209 Knife sharpener — 1989-09-05
4807399 Method and apparatus for sharpening a knife — 1989-02-28