Engmans, Inc.
3Patents
0Active
3Granted
18Portfolio score
Filing activity: Jun 23, 1977 → Nov 28, 1977
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD251389S | Shutter | General | 9 | Expired |
| USD251390S | Shutter | General | 7 | Expired |
| USD250141S | Utility light | General | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.