Patents by Inventor A. Charles Schreiber

A. Charles Schreiber 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).

  • Process, composition and apparatus for cleaning venetian blinds
    Patent number: 4897122
    Abstract: A mobile vehicle containing apparatus and process for on-site cleaning of venetian blinds, and an aqueous spray solution, process and apparatus for eliminating water spots from the washed and rinsed venetian blinds are described.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: January 30, 1990
    Inventors: A. Charles Schreiber, Robert W. Schreiber