Inventor

William P. Stewart

Inventor
St. Peters, MO, US

Overview

9→
Patents
2001–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H02Kprimary
H02KDynamo-electric machines38%
Y10TTechnical subjects covered by former us classification23%
F04DNon-positive-displacement pumps8%
F16CShafts8%
H01QAntennas, i.e. radio aerials8%
H04BTransmission8%
LOC138%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to ERICSSON INC (1)· patent assignee history
2001–2006Based in Mebane, NC, US· patent location history
2006–2009Patents assigned to EMERSON ELECTRIC CO (7)· patent assignee history
2006Patents assigned to ERICSSON TELEFON AB L M (1)· patent assignee history
2006–2009Based in St. Peters, MO, US· patent location history
2009Based in St. Charles, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMERSON ELECTRIC CO72006–2009
ERICSSON INC12001
ERICSSON TELEFON AB L M12006
Locations
LocationPatentsSpan
St. Peters, MO, US62006–2009
Mebane, NC, US22001–2006
St. Charles, MO, US12009