Harpers
2Patents
0Active
2Granted
28Portfolio score
Filing activity: Jul 18, 1988 → May 31, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4918886A | Raceway system for modular wall panels | Fixed Constructions | 69 | Expired |
| US4865404A | Interlock for multi-drawer cabinet | Fixed Constructions | 45 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.