Patents by Inventor John L. Frehn

John L. Frehn 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).

  • Telephone sanitary cover
    Patent number: 4546217
    Abstract: An inexpensive, disposable sanitary cover for telephones, comprising a sleeve-like member adapted to receive and retain therein a telephone handset, and wherein a cord-encasing member is also provided to encase a telephone cord. A generally conformable base-encasing member adapted to encase and seal a telephone base member from direct contact with a telephone user is also provided for.
    Type: Grant
    Filed: October 27, 1983
    Date of Patent: October 8, 1985
    Inventor: John L. Frehn