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Inventor

Dave Elvidge

Inventor
North Vancouver, CA

Overview

3→
Patents
2008–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B61Kprimary
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for100%
PatentTitleYear
8,408,362'Method and apparatus for applying liquid compositions in rail systems'2013RE042989'Method and apparatus for applying liquid compositions in rail systems'20117,357,427'Method and apparatus for applying liquid compositions in rail systems'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2011Patents assigned to KELSAN TECHNOLOGIES CORP (2)· patent assignee history
2008–2011Based in North Vancouver, CA· patent location history
2011–2013Patents assigned to COTTER JOHN (2)· patent assignee history
2011–2013Patents assigned to ELVIDGE DAVE (2)· patent assignee history
2011Patents assigned to EADIE DON (1)· patent assignee history
2013Patents assigned to EADIE DON T (1)· patent assignee history
2013Based in Vancouver, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COTTER JOHN22011–2013
ELVIDGE DAVEself22011–2013
KELSAN TECHNOLOGIES CORP22008–2011
EADIE DON12011
EADIE DON T12013
Locations
LocationPatentsSpan
North Vancouver, CA22008–2011
Vancouver, CA12013