Patents by Inventor Frederick A. Major, deceased

Frederick A. Major, deceased 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).

  • Patent number: 4479667
    Abstract: Two pipes for low pressure water systems include a pair of tapering surfaces secured together by a threaded engagement in which the thread of one member extends helically for less than three hundred sixty degrees.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: October 30, 1984
    Assignee: Clare M. Major
    Inventors: Frederick A. Major, deceased, Henry M. Woike, Clare M. Major, executrix
  • Patent number: D278631
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: April 30, 1985
    Assignee: Clare M. Major
    Inventor: Frederick A. Major, deceased