Patents by Inventor Louis Horowitz

Louis Horowitz 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: 4315697
    Abstract: This invention relates to the field of bookkeeping equipment and specifically to the area of modular fiscal year account books, wherein the user is provided with a self contained account ledger insert, which will accommodate all of the entries for a fiscal year, and will contain a complete record of business transactions for auditing and accounting purposes.
    Type: Grant
    Filed: March 14, 1980
    Date of Patent: February 16, 1982
    Inventor: Louis Horowitz