Inventor
Mark T. Thatcher
Inventor
Ojai, 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 drilling25%
F16LPipes25%
G01BMeasuring length, thickness or similar linear dimensions25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,601,491'Pipe connector'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to VETCO OFFSHORE IND INC (1)· patent assignee history
1986Based in Ojai, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VETCO OFFSHORE IND INC | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ojai, California, US | 1 | 1986 |