Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1999136A | Autorotative-winged aircraft | Autogiro Company of America | Expired / Lapsed | 1932-07-15 | 1935-04-23 | 1952-07-15 | 0.0 yrs | 0 | |
| US1993701A | Aircraft | Autogiro Company of America | Expired / Lapsed | 1931-01-06 | 1935-03-05 | 1951-01-06 | 0.0 yrs | 0 |