Patents by Inventor Richard E. Levine

Richard E. Levine 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).

  • Bar closure for open bags
    Patent number: 4847956
    Abstract: Two bars are hinged together on one end to clamp tight on the open end of a flexible bag. The other ends of the bars are held together by a multi step latch. The closure accommodates to bag material of different thicknesses by expansible hinge structure of FIG. 5 and the multi step latch so that the bars 1 and 2 can be latched parallel to each other to close a bag. The expansible hinge allows the upper bar to move upwardly against the tension of spring 10.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: July 18, 1989
    Inventor: Richard E. Levine