Patents by Inventor Paul A. Drop, Sr.

Paul A. Drop, Sr. 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).

  • Cooking with recipes through improved viewing machine or wall screen projection
    Patent number: 4240721
    Abstract: A projector into which are placed slides having various cooking recipes imprinted thereupon, and the invention including a screen, upon which the recipe is projected greatly enlarged, so that a homemaker can more easily see the enlarged text, while making a food preparation.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: December 23, 1980
    Inventor: Paul A. Drop, Sr.