Inventor

John L. Ethen

Inventor

Oakdale, MN, US

Overview

1981–2002

Patent span

Chemistry

Primary field (CPC C)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E01Fprimary

E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like26%

Y10TTechnical subjects covered by former us classification26%

C08LCompositions of macromolecular compounds9%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

A61FFilters implantable into blood vessels4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

G02BOptical elements, systems or apparatus4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1992Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history

1981–2002Based in Oakdale, MN, US· patent location history

2000Patents assigned to 3M INNOVATIVES PROPERTIES COMP (1)· patent assignee history

2001–2002Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINNESOTA MINING & MFG	3	1981–1992
3M INNOVATIVE PROPERTIES CO	2	2001–2002
3M INNOVATIVES PROPERTIES COMP	1	2000

Locations

Location	Patents	Span
Oakdale, Minnesota, US	6	1981–2002