Inventor
David C. Brownlee
Inventor
St. Paul, MN, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D04Hprimary
D04HMaking textile fabrics, e.g. from fibres or filamentary material20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
A61FFilters implantable into blood vessels10%
A61LMethods or apparatus for sterilising materials or objects in general10%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1984Based in White Bear Lake, MN, US· patent location history
2003Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2003Based in St. Paul, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 1 | 2003 |
| MINNESOTA MINING & MFG | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 1 | 2003 |
| White Bear Lake, Minnesota, US | 1 | 1984 |