Patents by Inventor Robert F. Porazinski

Robert F. Porazinski 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: 4042299
    Abstract: A photographic recording machine for sequentially exposing images onto a photosensitive web, including an optical system for forming an image designator mark on the photosensitive web in a predetermined position in relation to each image. The optical system includes a light source and a light transmitting pipe having an unfocused lens portion on the end thereof closest the web, and is pivotally mounted for movement adjacent to and removed from the web. Movement of the optical system is controlled by operating the access means of the recording machine when the web is inserted or removed from the machine.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: August 16, 1977
    Assignee: Bell & Howell Company
    Inventors: Adolph J. Gawin, Robert F. Porazinski
  • Patent number: 4018525
    Abstract: A microfilm camera using an instant image film, such as a vesicular film, is herein disclosed. Instant developing stations and an associated read-out optical system are positioned in the path followed by the film as it travels through the camera. After the film is developed, its image is projected through the optical system onto a display screen. This way the operator may see the images immediately after they are formed on the film and rephotograph any defective image immediately.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: April 19, 1977
    Assignee: Bell & Howell Company
    Inventors: Milan A. Broderick, Robert F. Porazinski, Eugene V. Mateja
  • Patent number: D267409
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: December 28, 1982
    Assignee: Bell & Howell Company
    Inventors: Maynard C. Gross, Robert F. Porazinski, Raymond J. Precin