Patents by Inventor Howard Fleisher

Howard Fleisher 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: 5670467
    Abstract: Stratified solid cast alkaline detergent compositions are disclosed in which the concentrations of an active alkalinity source and water of hydration which contain at least one granular material in varying concentration throughout the composition. Methods of making and using the disclosed compositions are also disclosed.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: September 23, 1997
    Inventor: Howard Fleisher
  • Patent number: 5482641
    Abstract: Stratified solid cast alkaline detergent compositions are disclosed in which the concentrations of an active alkalinity source and water of hydration which contain at least one granular material in varying concentration throughout the composition. Methods of making and using the disclosed compositions are also disclosed.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: January 9, 1996
    Inventor: Howard Fleisher