Patents by Inventor Allen L. Hayes

Allen L. Hayes 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).

  • Speculum protector
    Patent number: 4807600
    Abstract: A disposable cover of a novel type is provided for each of the blades of a vaginal speculum to prevent cross contamination of patients examined by the same instrument but also to allow for improved surgical visibility.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: February 28, 1989
    Inventor: Allen L. Hayes
  • Vaginal speculum protector
    Patent number: 4492220
    Abstract: Disposable covers for the blades of a vaginal speculum are provided to prevent cross contamination of patients examined by the same instrument.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: January 8, 1985
    Inventor: Allen L. Hayes