Inventor

Frank C. Williams

Inventor

Freeport, PA, US

Overview

1984–2013

Patent span

Chemistry

Primary field (CPC C)

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

A61Fprimary

A61FFilters implantable into blood vessels29%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%

C08LCompositions of macromolecular compounds14%

C09DCoating compositions, e.g. paints, varnishes or lacquers14%

F42BExplosive charges, e.g. for blasting, fireworks, ammunition14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1984Based in Rosharon, TX, US· patent location history

1987–1988Patents assigned to JOHNSON & JOHNSON (2)· patent assignee history

1987Based in New South Wales, AU· patent location history

1987Based in Sarver, PA, US· patent location history

1988Based in Bradbury, AU· patent location history

2013Patents assigned to DONALDSON SUSAN (1)· patent assignee history

2013Patents assigned to OLSON KEVIN C (1)· patent assignee history

2013Patents assigned to OLSON KURT G (1)· patent assignee history

2013Patents assigned to PPG IND OHIO INC (1)· patent assignee history

2013Based in Freeport, PA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations