Patents by Inventor Bernard S. Kaltz

Bernard S. Kaltz 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: 5118130
    Abstract: A hand truck which may be collapsed by operation of a pivotable support plate and pivotable load bearing side brace members which may be readily detached from the support plate. The hand truck includes a substantially rectangular frame having an upper handle portion, two parallel side portions, and a lower portion. A pair of wheels are rotatably secured in opposed axial alignment on opposite sides of the lower portion of the frame. A support plate pivotably attaches to the lower portion of the frame so that the support plate may pivot about a substantially horizontal axis between a lower horizontally disposed operative position and an upper vertically disposed storage position.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: June 2, 1992
    Inventor: Bernard S. Kaltz