Sparktech Corporation
5Patents
0Active
5Granted
26Portfolio score
Filing activity: Oct 11, 1990 → Mar 23, 2007
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD591758S1 | Face of a telephone memory stick | General | 87 | Expired |
| US5062295A | Dual tube sonic level gage | Emerging Cross-Sectional Technologies | 28 | Expired |
| USD592670S1 | Face of a telephone memory stick | General | 11 | Expired |
| US7463726B2 | Remotely selecting an economical communications transmission medium | Electricity | 5 | Expired |
| US5211052A | Aeroacoustic gas composition monitor | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.