Inventor

Nanayakkara L. D. Somasiri

Inventor

Austin, TX, US

Overview

1989–1999

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification28%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines17%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

C23CCoating metallic material6%

G03CPhotosensitive materials for photographic purposes6%

H05KPrinted circuits6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to UNIVERSITY PATENTS INC (2)· patent assignee history

1989–1991Based in Philadelphia, PA, US· patent location history

1990–1999Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history

1990Based in St. Paul, MN, US· patent location history

1997–1999Based in Austin, TX, US· patent location history

1999Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Austin, Texas, US	4	1997–1999
Philadelphia, Pennsylvania, US	2	1989–1991
St. Paul, Minnesota, US	1	1990