Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1911142A | Apparatus for correcting tilted photographs | Brock & Weymouth Inc | Expired / Lapsed | 1930-07-25 | 1933-05-23 | 1950-07-25 | 0.0 yrs | 0 | |
| US1565413A | Method of making maps | Brock & Weymouth Inc | Expired / Lapsed | 1924-02-16 | 1925-12-15 | 1944-02-16 | 0.0 yrs | 0 |