Enhanced guardrail
US7018129B1 · kind B1 · utility
6Cited by
17References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Sep 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A guardrail comprising a rail and an electronic display mounted on the rail. The display may be integrated with a bar code or RFID reader and a voice-recognition module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.