The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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| Number | Title | Issue Date |
| 7604899 | Positive electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery using same To provide a positive electrode active material for a non-aqueous electrolyte secondary battery, which if used as a positive electrode for a lithium ion secondary battery, the battery internal resistance can be reduced, giving a secondary battery superior in output ... | 10/20/2009 |