Inventor
Louis M. Ayers
Inventor
Houston, 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
4,161,215'Solenoid operated tubing safety valve'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to CONTINENTAL OIL CO (1)· patent assignee history
1979Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONTINENTAL OIL CO | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 1 | 1979 |