Preferred Engineering Products Ltd.
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Oct 20, 1997 → May 29, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6446696B1 | Retractable screen system | Fixed Constructions | 28 | Expired |
| US5946857A | Parallel balance systems | Fixed Constructions | 24 | Expired |
| US6712404B2 | Simplified integral inside and outside handle and operator for a latch member for closures | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.