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https://jonrappoport.wordpress.com/2018/03/28/five-thousand-inventions-in-limbo-and-under-secrecy-orders-at-the-us-patent-office/ ...Five thousand inventions in limbo and under “secrecy orders” at the US Patent Office
...Five thousand inventions in limbo and under “secrecy orders” at the US Patent Office
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$ 73.363
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