FP

Frank Ewald Pfefferkorn

WARF: 2 patents #23 of 391Top 6%
📍 Duchtlingen, WI: #1 of 1 inventorsTop 100%
Overall (2019): #172,908 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10328589 Knife blade edge serrations and method therefor Justin Morrow 2019-06-25
10315275 Reducing surface asperities Venkata Madhukanth Vadali, Chao Ma, Neil Arthur Duffie, Xiaochun Li 2019-06-11