Patents by Inventor Nadine R. Nitzberg

Nadine R. Nitzberg 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).

  • Container system for carrying and supplying food and water for pets
    Patent number: 4326640
    Abstract: Improvement in a series of containers vertically stackable includes said containers inter-sealing in combination to form several compartments, and including top element in the form of a feeding pan downwardly oriented, upper element in the form of an open top container closable by the top element and with a downwardly oriented feeding pan on the bottom, intermediate element of the feeding pans back-to-back, and lower element in the form of an open top container connectable by the intermediate element to the lower element.
    Type: Grant
    Filed: July 10, 1980
    Date of Patent: April 27, 1982
    Inventors: Nadine R. Nitzberg, Michelle L. Baldwin, Steven M. Baldwin