Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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| Number | Title | Issue Date |
| 7114645 | Mail receptacle for isolating received items in public drop boxes A closeable mail receptacle for use inside of a drop box, includes a rectangular tub having an open top, and a top cover adapted to engage the open top and close the tub either prior to or during removal of the tub from the drop box. The top cover may include a peri... | 10/03/2006 |