Inventor

Douglas Jock Walker

Inventor
Springville, UT, US

Overview

7→
Patents
1989–2013
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G06Fprimary
G06FElectric digital data processing38%
D06FLaundering, drying, ironing, pressing or folding textile articles13%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
H01HElectric switches13%
H04LTransmission of digital information, e.g. telegraphic communication13%
Y10TTechnical subjects covered by former us classification13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in Lincoln Township, Berrien County, MI, US· patent location history
1990Patents assigned to JOSLYN CORP (1)· patent assignee history
1990Based in Abbott Park, IL, US· patent location history
2010–2013Patents assigned to PRESENCEID INC (5)· patent assignee history
2010–2013Based in Springville, UT, US· patent location history
2012–2013Patents assigned to WALKER DOUGLAS JOCK (2)· patent assignee history
2012Patents assigned to DOANE DAVID A (1)· patent assignee history
2013Patents assigned to VAN OMMEREN REINIER (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRESENCEID INC52010–2013
WALKER DOUGLAS JOCKself22012–2013
DOANE DAVID A12012
JOSLYN CORP11990
VAN OMMEREN REINIER12013
Locations
LocationPatentsSpan
Springville, UT, US52010–2013
Abbott Park, Illinois, US11990
Lincoln Township, Berrien County, MI, US11989