IF

Ismael Ferrer

DC Donaldson Company: 4 patents #253 of 695Top 40%
📍 Minneapolis, MN: #1,588 of 6,114 inventorsTop 30%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,210,158 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8978899 Fluoropolymer fine fiber Chuanfang Yang 2015-03-17
8141716 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy Richard S. Cardinal, Veli E. Kalayci 2012-03-27
7910003 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy Richard S. Cardinal, Veli E. Kalayci 2011-03-22
7641055 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy Richard S. Cardinal, Veli E. Kalayci 2010-01-05