TWINKLE LEATHERWARE CO., LTD.
4Patents
4Active
4Granted
42Portfolio score
Filing activity: Nov 6, 2007 → Jun 5, 2014 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8037983B2 | Luggage having an angularly retractable handle | Human Necessities | 37 | Active |
| US9706821B2 | Collapsible suitcase structure | Human Necessities | 2 | Active |
| US9706822B2 | Folding suitcase | Human Necessities | 1 | Active |
| US9204696B2 | Suitcase structure | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.