Inventor

Donald G. Chamberlain

Inventor
Calgary, CA

Overview

15→
Patents
1997–2011
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G01Vprimary
G01VGeophysics74%
H01RElectrically-conductive connections11%
Y10TTechnical subjects covered by former us classification11%
H04BTransmission5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2011Based in Calgary, CA· patent location history
2005–2011Patents assigned to GEOX SYSTEMS LTD (10)· patent assignee history
2007–2008Patents assigned to ARAM SYSTEMS LTD (2)· patent assignee history
2007Patents assigned to ARAM SYSTEMS INC (1)· patent assignee history
2008Based in Cochrane, CA· patent location history
2009Patents assigned to ION GEOPHYSICAL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEOX SYSTEMS LTD102005–2011
ARAM SYSTEMS LTD22007–2008
ARAM SYSTEMS INC12007
ION GEOPHYSICAL CORP12009
Locations
LocationPatentsSpan
Calgary, CA141997–2011
Cochrane, CA12008