Inventor
Robert P. Barnes
Inventor
Corpus Christi, TX, 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%
PatentTitleYear
4,586,572'Well drilling apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to MYERS THOMAS A (1)· patent assignee history
1986Based in Corpus Christi, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MYERS THOMAS A | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Corpus Christi, Texas, US | 1 | 1986 |