Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7104542 | Pull-tab skill tournament poker A gaming system comprises a plurality of tournament tables in at least one physical location wherein multiple players play identical hands of the same game thereby playing a game of skill with equal opportunity given to each player to win. The system including for e... | 09/12/2006 |
| 6527191 | Playing cards provided with a machine-readable code Playing cards that include a machine-readable bar code in the form of a number of mutually parallel and juxtaposed bars, wherein the code is adapted to be read by light sensitive detectors. Each playing card includes at least one six-position binary code ... | 03/04/2003 |
| 4534562 | Playing card coding system and apparatus for dealing coded cards Playing cards are marked with binary codes adjacent both side edges of the face of each card in a standard deck. The code includes a precode which signals a card reader to read the code in proper bit sequence depending on the direction of card movement pa... | 08/13/1985 |
| 4353555 | Duplicate bridge scoring system A computer system for duplicate bridge scoring utilizes a compact data card to remain attached to a duplicate board during the session of play. The card is arranged for encoding of data round-by-round rather than by player line. The computer unscrambles t... | 10/12/1982 |
