Wal-Mart Applies for Patent for Blimp-Style Floating Warehouse
- Retailer applies for patent for blimp-style aircraft
- Amazon was granted patent for similar contraption last year
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Wal-Mart Stores Inc. has opened a new front in its battle with Amazon.com Inc.
The world’s largest retailer has applied for a U.S. patent for a floating warehouse that could make deliveries via drones, which would bring products from the aircraft down to shoppers’ homes.