Patents by Inventor Betsy Feist

Betsy Feist 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: 4619399
    Abstract: A multiple pocket envelope for storing a floppy disk, microfiche, photographic negatives and positives, and the like and information related thereto, the envelope being formed from a single sheet (10) susceptible of folding by machine. A sheet (10) suitable for forming the envelope and a method of folding the sheet to form the envelope are also disclosed.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: October 28, 1986
    Inventors: Szilvia Szmuk, J. Paul Kirouac, Betsy Feist