Patents by Inventor Lyle R. Pitsenbarger

Lyle R. Pitsenbarger 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: 4807564
    Abstract: A sales package for litter in the form of a double disposable litter container comprised of two sections which telescope, in closing, to encompass a pair of separate packages of litter and which, when separated, comprise two separate disposable carboard litter boxes, each of which is used with one of the two packages of litter and has improved functional characteristics as to durability and absorption of liquids and odor. Each of the sections fucntions as a separate disposable litter box and is characterized by a plurality of highly absorbent paper panels superimposed upon its bottom panel and a highly porous hard-surfaced scratch-resistant panel having a surface hardness factor of a critical wax strength number range of approximately 8-11 superimposed with respect to the absorbent paper panels, to support the litter and protect the highly absorbent panels against scratching by the animal.
    Type: Grant
    Filed: October 28, 1986
    Date of Patent: February 28, 1989
    Assignee: Logical, Inc.
    Inventors: Harry W. Soberg, David G. Radtke, Lyle R. Pitsenbarger