Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2649715A | Temperature measuring and indicating apparatus | Eastman Oil Well Survey Co | Expired / Lapsed | 1947-05-08 | 1953-08-25 | 1967-05-08 | 0.0 yrs | 0 | |
| US2489566A | Core orienting apparatus | Eastman Oil Well Survey Co | Expired / Lapsed | 1945-11-27 | 1949-11-29 | 1965-11-27 | 0.0 yrs | 0 |