Inventor
John D. O'Brien
Inventor
Palmer, MA, US
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| WRIGHT CO WM E | 2 | 1982–1983 |
| BRIEN JOHN D O | 1 | 1987 |
| EZ PULLEY LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palmer, Massachusetts, US | 2 | 1982–1983 |
| Smithtown, New York, US | 1 | 2021 |
| Rochelle, Illinois, US | 1 | 1987 |