Patents by Inventor John Sawka

John Sawka 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).

  • Conductor cleaning brush with manually graspable handle adapted for mounting on shotgun stick
    Patent number: 5319823
    Abstract: A conductor cleaning brush has a handle which is a single integral plastic part, the handle including a grippable center section having at opposite ends a mounting section and a brush supporting section. The mounting section includes a portion of noncircular cross section which extends into and mates with an opening of noncircular cross section in a shotgun stick. Two brush parts each have a cylindrical bristle arrangement, and have a stem which is fixedly secured in the brush mounting section of the handle. The brush parts diverge with respect to each other in a direction away from the handle, the ends of the bristle arrangements nearest the handle having radially overlapping bristles and the opposite ends of the bristle arrangements being spaced.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: June 14, 1994
    Assignee: Hastings Fiber Glass Products, Inc.
    Inventors: Larry R. Baum, David F. Hamilton, John Sawka, John Carpenter