Patents by Inventor Wolfram Gernhardt

Wolfram Gernhardt 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).

  • Combined mounting and projection apparatus for aperture cards
    Patent number: 4059475
    Abstract: This invention relates to a mounting apparatus for aperture cards comprising cutting means for severing individual filmed images from a strip of film, said cutting means including a knife unit and a counter-knife unit, said knife unit being part of a plunger means which serves to simultaneously press the severed filmed image upon a mounting card,Resilient counter-pressure frame means mounted opposite said plunger means,And projection means including a light source and a condenser lens, the latter being mounted in said plunger means.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: November 22, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfram Gernhardt, Gerhard Meier-Maletz, Heinz Zeutschel