Patents by Inventor Charles E. Frank

Charles E. Frank has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Disk throwing game
    Patent number: 4373734
    Abstract: A game which involves two opposing teams attempting to score points by, in general, throwing a flying disk or the like into one or more goals. The goals are positioned adjacent a playing field. The playing field is divided into various areas by appropriate markings. The members of the two opposing teams are allowed to perform specific activities such as running with the disk, throwing the disk at the goals, or the like in each area of the playing field.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: February 15, 1983
    Inventor: Charles E. Frank
  • Process for the preparation of acrylic and methacrylic acids
    Patent number: 3947495
    Abstract: The selective preparation of acrylic or methacrylic acids by a single step vapor phase oxidation of propylene or isobutylene, respectively, at temperatures up to 300.degree. C. in the presence of a catalyst containing palladium metal and phosphoric acid is improved by the use of a sulfur modifier.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: March 30, 1976
    Assignee: National Distillers and Chemical Corporation
    Inventors: Jawad H. Murib, Charles E. Frank, Ben Seeskin