Inventor
Richard S. Cardinal
Inventor
Minneapolis, MN, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
8,141,716'Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy'20127,910,003'Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy'20117,641,055'Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2012Patents assigned to DONALDSON CO INC (3)· patent assignee history
2010–2012Based in Minneapolis, MN, US· patent location history
2012Patents assigned to CARDINAL RICHARD S (1)· patent assignee history
2012Patents assigned to FERRER ISMAEL (1)· patent assignee history
2012Patents assigned to KALAYCI VELI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 3 | 2010–2012 |
| CARDINAL RICHARD Sself | 1 | 2012 |
| FERRER ISMAEL | 1 | 2012 |
| KALAYCI VELI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 3 | 2010–2012 |