Patent watch

Fri, 11/30/2012 - 12:27 |

henry

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 [1].

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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