Patents by Inventor Leo Kaufer

Leo Kaufer 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).

  • Chemical dispenser for urinals
    Patent number: 4103367
    Abstract: This invention is directed to a dispensing container for solid deodorant and/or disinfectant media, for use in urinals having a flush water system. The chemical dispensing container comprises a generally flat plate or screen having a perforate central portion and a perforate peripheral portion. An imperforate cover overlies the perforate central portion and contains therewithin the solid deodorant and/or disinfectant media. Cooperating fastening means are provided on said imperforate cover and said underlying plate to enable the cover to be releasably engaged to said plate.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: August 1, 1978
    Inventor: Leo Kaufer