Inventor

John D. O'Brien

Inventor
Palmer, MA, US

Overview

4→
Patents
1982–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

LOCD0primary
LOCD040%
A01DHarvesting20%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves20%
G01MTesting static or dynamic balance of machines or structures20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1983Patents assigned to WRIGHT CO WM E (2)· patent assignee history
1982–1983Based in Palmer, MA, US· patent location history
1987Patents assigned to BRIEN JOHN D O (1)· patent assignee history
1987Based in Rochelle, IL, US· patent location history
2021Patents assigned to EZ PULLEY LLC (1)· patent assignee history
2021Based in Smithtown, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WRIGHT CO WM E21982–1983
BRIEN JOHN D O11987
EZ PULLEY LLC12021
Locations
LocationPatentsSpan
Palmer, Massachusetts, US21982–1983
Smithtown, New York, US12021
Rochelle, Illinois, US11987