Tamper-proof identification of solid objects
US6432559B1 · kind B1 · utility
14Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2000 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jun 12, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Identification markers and identification methods for solid objects, including metallic objects, are disclosed, the marker integrated with the object so that it is neither optically visible nor removable without destruction or impairment of the object. The marker is more radio opaque than the base material forming the object in the region of marker location and includes an identifying indicia thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.