ALEXANDRIA, Va., Feb. 19 -- Alex Kuo-Shen Wang of Las Vegas has developed an ink cartridge.
According to the U.S. Patent & Trademark Office, the invention relates to an "inkjet printer ink cartridge, which improves upon the ink cartridge of a conventional inkjet ink cartridge, whereby need for sponge within the ink cartridge is eliminated, and a siphon device is configured within the ink cartridge."
An abstract of the invention, released by the Patent Office, said: "The ink cartridge utilizes a siphoning phenomenon to prevent leakage of ink from contact area of a nozzle of the inkjet printer and from an area of the siphon. Reusability of the ink cartridge is realized without affecting ...