Inventor

David C. Thornton

Inventor

Grapevine, TX, US

Overview

1978–2020

Patent span

Electricity

Primary field (CPC H)

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

A61Lprimary

A61LMethods or apparatus for sterilising materials or objects in general20%

B01DSeparation20%

C02FTreatment of water, waste water, sewage, or sludge10%

G06FElectric digital data processing10%

H01RElectrically-conductive connections10%

H04LTransmission of digital information, e.g. telegraphic communication10%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to AMP INC (1)· patent assignee history

1978Based in Harrisburg, PA, US· patent location history

1982–1984Patents assigned to AMERICAN STERILIZER CO (2)· patent assignee history

1982–1984Based in Erie, PA, US· patent location history

1987Patents assigned to DOW CHEMICAL CO (1)· patent assignee history

1987Based in Midland, MI, US· patent location history

1990–1992Patents assigned to ANDREW CORP (2)· patent assignee history

1990–1992Based in Grapevine, TX, US· patent location history

2020Patents assigned to SINCLAIR BROADCAST GROUP INC (1)· patent assignee history

2020Based in Seattle, WA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AMERICAN STERILIZER CO	2	1982–1984
ANDREW CORP	2	1990–1992
AMP INC	1	1978
DOW CHEMICAL CO	1	1987
SINCLAIR BROADCAST GROUP INC	1	2020

Locations