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  • A Wham-O designer, Ed Headrick, added the flight ridges to the top of the disc in 1964, improving its stability and speed.

    Fred Morrison’s wonderful invention, the Frisbee

  • Wham-O failed a few years ago when it sued Paramount Pictures for dangerously misusing a Slip'N Slide in the movie "Dickie Roberts: Former Child Star."

    Careful, That's Not a Louis Vuitton

  • Released in time for the 60th anniversary of Wham-O and featuring an engaging history of each plaything colorful vintage packaging and ads as well as photographs of the toys this boisterous book is sure to inspire nostalgia and a trip to the nearest park Frisbee in hand.

    Archive 2009-01-01

  • Wham-O is contending that the false-marking law is unconstitutional because it gives too much power to the person filing the case.

    Frisbee Caught in Patent Battle

  • In the Wham-O case, FLFMC accuses Wham-O of labeling its Frisbees with numbers for patents that expired as long ago as 1967.

    Frisbee Caught in Patent Battle

  • Defendant Wham-O Inc., maker of Frisbees, will present arguments against the so-called false-marking law before the U.S. Court of Appeals for the Federal Circuit in Washington, D.C. The law has led to roughly 1,000 lawsuits in the past year and a half against companies that have inappropriately labeled their items with numbers for patents that have expired.

    Frisbee Caught in Patent Battle

  • In its court filings, FLFMC says Wham-O intended to deceive with its false labeling to prevent competitors from making similar products and that it has the right under the law to pursue the case.

    Frisbee Caught in Patent Battle

  • The original case against Wham-O was filed in federal court in Pennsylvania by a local firm formed specifically to pursue legal claims, called FLFMC LLC.

    Frisbee Caught in Patent Battle

  • A Wham-O spokesperson and a company attorney didn't respond to requests for comment.

    Frisbee Caught in Patent Battle

  • Wham-O, in court documents, says that private litigants who haven't been harmed by the expired labels have no standing to file a case.

    Frisbee Caught in Patent Battle


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