Inventor

Walter J. Lacey

Inventor
Aberdeenshire, GB

Overview

3→
Patents
1983–2000
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling40%
F16LPipes20%
G01MTesting static or dynamic balance of machines or structures20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to LACEY WALTER J (1)· patent assignee history
1983Based in Patterson, LA, US· patent location history
1993–2000Patents assigned to VETCO GRAY INC ABB (2)· patent assignee history
1993Based in Aberdeen, GB· patent location history
2000Based in Aberdeenshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VETCO GRAY INC ABB21993–2000
LACEY WALTER Jself11983
Locations
LocationPatentsSpan
Aberdeenshire, GB12000
Aberdeen, GB11993
Patterson, LA, US11983