Inventor
Rex N. Johnsen
Inventor
Princeton, IL, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles25%
E02FDredging25%
G05GControl devices or systems insofar as characterised by mechanical features only25%
Y10TTechnical subjects covered by former us classification25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to CATERPILLAR INC (1)· patent assignee history
1996Based in Princeton, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Princeton, Illinois, US | 1 | 1996 |