Patents by Inventor Allen W. Grobin, Jr.

Allen W. Grobin, Jr. 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).

  • Lippmann film with reflective layer
    Patent number: 4054453
    Abstract: A film for use in Lippmann photography is formed with a photosensitive emulsion on a transparent base and a separable reflective layer adhering to the emulsion. This separable layer may be a reflective coating carried by a soluble coating, or both soluble and insoluble coatings, or may be a reflective coating of a normally liquid metal which adheres to the emulsion and is readily separated by solvent or reactant.
    Type: Grant
    Filed: September 15, 1970
    Date of Patent: October 18, 1977
    Assignee: International Business Machines Corporation
    Inventor: Allen W. Grobin, Jr.