Patents by Inventor Frederick B. Lobel

Frederick B. Lobel 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).

  • Retractor for binders and method of use
    Patent number: 5611573
    Abstract: A retractor (50), for a binder (20) having two covers (22, 24) foldably connected by a spine (26) and selectively closable by a split gusset (28) carrying a slide fastener (34) and having an extending portion (36), includes an elastic member (52) having one end (54) connected to the extending portion and the opposite end (56) fixedly positioned along the spine. As the covers are closed, the extending portion is drawn inwardly along the spine, and as the covers are opened the extending portion moves stretchably outwardly along the spine.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: March 18, 1997
    Inventors: Frederick B. Lobel, Alexander Dolmatsky