Inventor

Douglas E. Sprague

Inventor
Ellsworth, ME, US

Overview

8→
Patents
2005–2019
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G01Rprimary
G01RMeasuring electric variables36%
G06FElectric digital data processing36%
G11CStatic stores27%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2015Patents assigned to IBM (6)· patent assignee history
2005–2014Based in Jericho, VT, US· patent location history
2012–2014Patents assigned to SPRAGUE DOUGLAS E (4)· patent assignee history
2012–2014Patents assigned to MONROE CRAIG M (3)· patent assignee history
2012–2014Patents assigned to OUELLETTE MICHAEL R (3)· patent assignee history
2012–2019Based in Ellsworth, ME, US· patent location history
2015–2019Patents assigned to GLOBALFOUNDRIES INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM62005–2015
SPRAGUE DOUGLAS Eself42012–2014
GLOBALFOUNDRIES INC32015–2019
MONROE CRAIG M32012–2014
OUELLETTE MICHAEL R32012–2014
Locations
LocationPatentsSpan
Ellsworth, ME, US52012–2019
Jericho, VT, US32005–2014