Patents by Inventor Leonard W. Kowalsky

Leonard W. Kowalsky 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: 6127063
    Abstract: A battery (10) contains a base portion (12) that is shaped generally rectangular parallelpiped. The bottom face (18) of the base portion (12) contains a raised notch portion (22) at the first end (14) of the base portion directly beneath an upper ledge (20) that extends along the perimeter of the first end. The first end (14) contains two keyed recesses (24) that extend from an upper ledge (20) to the notch portion (22) of the bottom face (18). A blade connector (26) is located between the two keyed recesses (24) at the intersection of the notch portion (22) and the first end (14). The bottom face (18) contains two apertures (28) for receiving pin shaped positive and negative cell terminals. The second end (16) contains a resiliently attached latch member (30). A corresponding battery well (40) contains opposite first and second ends (44) and (46), a bottom floor (48), and a rim portion (50) that extends along the first end.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: October 3, 2000
    Assignee: Physio-Control Manufacturing Corporation
    Inventors: Leonard W. Kowalsky, Rodney J. Merry, John C. Daynes, Douglas J. Hill, Judith F. Marquardt