Inventor
David R. Roland
Inventor
Winneconne, WI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels38%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables25%
B29CShaping or joining of plastics13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
6,672,045'Apparatus and method for splicing threadlines by knot-induced thread twist entanglement'20045,887,322'Apparatus for splicing threadlines'19994,665,306'Apparatus for activating heat shrinkable ribbon on disposable garments and other articles'19874,385,224'Internal heated differential temperature roll'19834,371,417'Differentially stretched elastic'19834,266,546'Wrapped folded tampons'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1987Patents assigned to KIMBERLY CLARK CO (4)· patent assignee history
1981–2004Based in Winneconne, WI, US· patent location history
1987Based in Winnebago County, WI, US· patent location history
1999–2004Patents assigned to DU PONT (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KIMBERLY CLARK CO | 4 | 1981–1987 |
| DU PONT | 2 | 1999–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Winneconne, WI, US | 5 | 1981–2004 |
| Winnebago County, WI, US | 1 | 1987 |