Patent watch

Patent watch

ECO ATM, Inc. has filed Patent Application No. 20120294490 which describes a reverse vending machine kiosk for determining the value of a mobile phone and dispensing money to users.

Taiwanese firm Uwin Nanotech Co. Ltd. has filed Patent Application No. 20120292201, describing a method of chemically removing gold from scrap material.

Empire Technology Development LLC has filed Patent Application No. 20120302779, outlining a method for recovering lithium from scrap lithium-ion batteries.

Inventor Hsieh-Sen Wu of Tao Yuan County, Taiwan, has received Patent No. 8,308,843, for a method of recycling printed circuit boards using pyrolysis.

For more information on these or any patents, please consult the U.S. Patent Office database online.

Copies of patents can be ordered by number for $3 each from the Commissioner of Patents and Trademarks, P.O. Box 1450, Alexandria, VA, 22313-1450.

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