Isotec Limited
4Patents
0Active
4Granted
27Portfolio score
Filing activity: Jul 19, 1988 → Mar 1, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4929065A | Glass plate fusion for macro-gradient refractive index materials | Chemistry; Metallurgy | 82 | Expired |
| US5044737A | Double axial gradient lens and process for fabrication thereof | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7093840B2 | Multi-purpose combined ladder/cart assembly | Performing Operations; Transporting | 6 | Expired |
| US4983882A | Ignition amplifier device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.