Precision Solar Controls Inc.
3Patents
0Active
3Granted
32Portfolio score
Filing activity: Jul 17, 1991 → Nov 18, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6150771A | Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal | Emerging Cross-Sectional Technologies | 203 | Expired |
| US5174649A | LED lamp including refractive lens element | Emerging Cross-Sectional Technologies | 146 | Expired |
| US7211771B1 | De-icing system for traffic signals | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.