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Inventor

Richard T. Fisher

Inventor
Pembroke, MA, US

Overview

4→
Patents
1983–1999
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

F16Kprimary
F16KValves22%
H01FMagnets22%
Y10TTechnical subjects covered by former us classification22%
G01RMeasuring electric variables11%
G05BControl or regulating systems in general11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,920,189'Auto ranging current monitor with common mode correction'19994,706,008'Self-adjusting homing for a stepping motor'19874,538,129'Magnetic flux-shifting actuator'19854,403,765'Magnetic flux-shifting fluid valve'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to TAPLIN JOHN F (1)· patent assignee history
1983–1985Based in Pembroke, MA, US· patent location history
1985Patents assigned to FISHER RICHARD T (1)· patent assignee history
1987Patents assigned to IBM (1)· patent assignee history
1987Based in Georgetown, KY, US· patent location history
1999Patents assigned to DELCO ELECTRONICS CORP (1)· patent assignee history
1999Based in Kokomo, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELCO ELECTRONICS CORP11999
FISHER RICHARD Tself11985
IBM11987
TAPLIN JOHN F11983
Locations
LocationPatentsSpan
Pembroke, Massachusetts, US21983–1985
Kokomo, IN, US11999
Georgetown, KY, US11987