Patents by Inventor Michael Anthony Rumfield

Michael Anthony Rumfield 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).

  • Parts lifting device
    Patent number: 6422538
    Abstract: A lifting device comprising a hoist with a flexible tension member extending from the hoist and a component for attaching the hoist to a stationary structure so that a lower end of the flexible tension member can be connected to a load to lift and lower the load when an impact tool engages with the hoist.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: July 23, 2002
    Inventor: Michael Anthony Rumfield