Quill Inc.
6Patents
1Active
6Granted
29Portfolio score
Filing activity: Nov 16, 1994 → May 15, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5495938A | Convertible display case and desk organizer | Human Necessities | 23 | Expired |
| USD451962S | Desk-top pen and paper holder | General | 16 | Expired |
| USD509537S1 | Pocket pen | General | 13 | Expired |
| USD505158S1 | Writing instrument clip | General | 11 | Expired |
| USD365517S | Combination display box and desk organizer | General | 11 | Expired |
| US8062088B2 | Modular construction system and method with asymmetric rigid balanced figurines having balance-enhancing magnets | Human Necessities | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.