Inventor
David L. Walter
Inventor
Los Angeles, CA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling33%
G01CMeasuring distances, levels or bearings33%
G01RMeasuring electric variables33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to HRL LAB LLC (1)· patent assignee history
2020Based in Los Angeles, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HRL LAB LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Angeles, California, US | 1 | 2020 |