Patents by Inventor Bronson E. Newburger

Bronson E. Newburger 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).

  • Evacuatable or inflatable plastic bag
    Patent number: 5240112
    Abstract: A thin flexible plastic bag having a permanently closed end and an open end with a main zipper closure formed of mateable male and female interlockable portions extending across the entire open end. The bag is provided with a stem and pinch valve construction with which the bag can be orally evacuated for sealing its contents in a vacuum-tight condition or with which the bag can be orally inflated and then used as a packing around breakables.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: August 31, 1993
    Inventor: Bronson E. Newburger