Inventor

William S. Ewing

Inventor

Stow, MA, US

Overview

1989–2014

Patent span

Chemistry

Primary field (CPC C)

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

C08Lprimary

C08LCompositions of macromolecular compounds18%

C09DCoating compositions, e.g. paints, varnishes or lacquers18%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%

G02BOptical elements, systems or apparatus6%

G06TImage data processing or generation, in general6%

H04NPictorial communication, e.g. television6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to PPG INDUSTRIES INC (3)· patent assignee history

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

1991Based in Gibsonia, PA, US· patent location history

1993–2014Patents assigned to US AIR FORCE (2)· patent assignee history

1993–2014Based in Stow, MA, US· patent location history

2005Patents assigned to SOLID STATE SCIENT CORP (1)· patent assignee history

2014Patents assigned to EWING WILLIAM S (1)· patent assignee history

2014Patents assigned to VAKIL MOHAMMAD I (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations