A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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| Number | Title | Issue Date |
| 6324296 | Distributed-processing motion tracking system for tracking individually modulated light points Disclosed is a distributed-processing motion capture system (and inherent method) comprising: plural light point devices, e.g., infrared LEDs, in a motion capture environment, each providing a unique sequence of light pulses representing a unique identity... | 11/27/2001 |