Patents by Inventor Timothy J. Donlevy

Timothy J. Donlevy 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: 4460119
    Abstract: An envelope which, for the purposes of delivery, may be hung over a door knob. The envelope comprises an envelope portion provided with a flap for closing that envelope portion, and a hanging portion from which the envelope portion is separable, the hanging portion being formed with an aperture from which a slit radiates and provided with a flap for sealing across the slit once the envelope has been applied (by its aperture) to the door handle.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: July 17, 1984
    Inventors: Anthony E. B. Goodfellow, James C. Kennemer, Timothy J. Donlevy