Patents by Inventor John Fech, Jr.

John Fech, 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).

  • Electron beam recording media and method of recording
    Patent number: 3940507
    Abstract: Recording media comprising films of a polydialdehyde are suitable for recording information with electron beams.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: February 24, 1976
    Assignee: RCA Corporation
    Inventors: John Fech, Jr., Eugene Samuel Poliniak