Inventor

Donald W. Bilsbarrow

Inventor
Tucson, AZ, US

Overview

3→
Patents
1990–1998
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Lprimary
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure50%
G01MTesting static or dynamic balance of machines or structures50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to UNITED TECHNOLOGIES CORP (1)· patent assignee history
1990–1998Based in Tucson, AZ, US· patent location history
1993Patents assigned to HAMILTON TEST SYSTEMS INC (1)· patent assignee history
1998Patents assigned to ENVIROTEST SYSTEMS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENVIROTEST SYSTEMS INC11998
HAMILTON TEST SYSTEMS INC11993
UNITED TECHNOLOGIES CORP11990
Locations
LocationPatentsSpan
Tucson, AZ, US31990–1998