Inventor

David Stedman

Inventor
Kirkland, WA, US

Overview

6→
Patents
1978–2008
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification25%
A61BDiagnosis13%
C07CAcyclic or carbocyclic compounds13%
F16KValves13%
F23NRegulating or controlling combustion13%
G05DSystems for controlling or regulating non-electric variables13%
G11BInformation storage based on relative movement between record carrier and transducer13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to IBM (1)· patent assignee history
1978Based in Morgan Hill, CA, US· patent location history
1984Patents assigned to SEA LABS INC (1)· patent assignee history
1984Based in Redmond, WA, US· patent location history
1989Patents assigned to ADVANCED TECH LAB (1)· patent assignee history
1989–1998Based in Kirkland, WA, US· patent location history
1998Patents assigned to AGRIBIOTECH INC (1)· patent assignee history
2005Based in Benoni, ZA· patent location history
2008Patents assigned to SWAGELOK CO (1)· patent assignee history
2008Based in Mentor, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADVANCED TECH LAB11989
AGRIBIOTECH INC11998
IBM11978
SEA LABS INC11984
SWAGELOK CO12008
Locations
LocationPatentsSpan
Kirkland, Washington, US21989–1998
Mentor, OH, US12008
Benoni, ZA12005
Redmond, Washington, US11984
Morgan Hill, California, US11978