Inventor
Austin C. Johnson
Inventor
Oklahoma City, OK, 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 drilling100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to DOWNING WELLHEAD EQUIPMENT LLC (1)· patent assignee history
2020Based in Oklahoma City, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOWNING WELLHEAD EQUIPMENT LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oklahoma City, OK, US | 1 | 2020 |