Inventor

David J. Seymour

Inventor

Plano, TX, US

Overview

1976–2005

Patent span

Electricity

Primary field (CPC H)

Patents· 20 as inventor

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

B63Bprimary

B63BShips or other waterborne vessels36%

H03FAmplifiers16%

H01HElectric switches12%

H01PWaveguides8%

H10DInorganic electric semiconductor devices8%

Y10TTechnical subjects covered by former us classification8%

A01KAnimal husbandry4%

H01GCapacitors4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

PatentTitleYear

6,977,196'Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode'2005 6,967,531'Multi-output amplifier with isolation between outputs'2005 6,698,082'Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode'2004 6,529,080'TOI and power compression bias network'2003 5,619,061'Micromechanical microwave switching'1997 5,459,343'Back gate FET microwave switch'1995 5,047,829'Monolithic p-i-n diode limiter'1991 4,810,980'Matched variable attenuation switched limiter'1989 4,658,220'Dual-gate, field-effect transistor low noise amplifier'1987 4,525,678'Monolithic low noise common-gate amplifier'1985 4,361,105'Barge-carrying vessel'1982 4,305,342'Barge-carrying vessel of the flotation loading and unloading type with wedge means for holding down the barges'1981 RE030040'Vessel for flotation loading and unloading and partial buoyancy support of barges and other floating cargoes'1979 4,147,123'Barge-carrying waterborne vessel for flotation loading and unloading, and transportation method'1979 4,135,468'Barge-carrying waterborne vessel and transportation method'1979 4,011,825'Swash plate'1977 3,993,012'Vessel for transport of buoyant cargo'1976 3,978,806'Vessel with flooded hold for transport of barges'1976 3,938,274'Oceanic fishing system'1976 3,934,530'Transport vessel for floating onloading and offloading of cargo'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1982Patents assigned to WHARTON SHIPPING CORP (7)· patent assignee history

1976Patents assigned to INTER HULL (1)· patent assignee history

1976Patents assigned to URSICH ANTHONY M (1)· patent assignee history

1976–1982Based in Daly City, CA, US· patent location history

1985–2005Patents assigned to TEXAS INSTRUMENTS INC (8)· patent assignee history

1985–2005Based in Plano, TX, US· patent location history

2003–2005Patents assigned to SIRENZA MICRODEVICES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXAS INSTRUMENTS INC	8	1985–2005
WHARTON SHIPPING CORP	7	1976–1982
SIRENZA MICRODEVICES INC	2	2003–2005
INTER HULL	1	1976
URSICH ANTHONY M	1	1976

Locations

Location	Patents	Span
Plano, Texas, US	10	1985–2005
Daly City, California, US	10	1976–1982