Inventor
Richard P. Berven
Inventor
Minneapolis, MN, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation100%
PatentTitleYear
4,187,091'Pleated paper filter cartridge'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to DONALDSON CO INC (1)· patent assignee history
1980Based in Minneapolis, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 1 | 1980 |