Hallmark Technologies, Inc.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Dec 9, 1997 → Feb 15, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6253477A | Retro-reflective sign | Physics | 30 | Expired |
| US6171095A | Multiple axes electroform | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6010233A | Automobile headlamp reflector | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6856389B2 | Portable reflex comparator | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.