British merchant Peter Durand invented the tin can in 1810.
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| Number | Title | Issue Date |
| 7327917 | Directional light beam generators Directional light beam generators are implemented in waveguides with tilted core structures. The waveguides have cores, cladding and jacket layers. A directional light beam with small divergent beam angle is generated after propagating through the waveguides. Diverg... | 02/05/2008 |