...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Application No. | Application Title | Issue Date |
| 20090138302 | METHOD AND SYSTEM FOR COLLECTING, RECEIVING, AND TRANSFERRING TRANSACTION INFORMATION FOR USE BY A BONUS OR LOYALTY PROGRAM AND ELECTRONIC VOUCHERS The present invention provides methods and systems for managing mobile virtual network operations. According to some embodiments, purchasing information, e.g., item, price, quantity, location, etc., may be collected using a mobile phone. The collected information may be... | 05/28/2009 |