Patents by Inventor Madzgalla, Hans-Georg

Madzgalla, Hans-Georg 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).

  • Hand-operated grinding or polishing tool
    Patent number: 4688356
    Abstract: A manual grinding or polishing tool consists of an endless grinding or polishing belt, which is tightened about a substantially flat bar-like profile having at least one limb. The limb or limbs are disposed resiliently in relation to the profile, so that the grinding or polishing belt is held under tension. The resilient material can consist of strip steel or elastomers. Between the grinding or polishing belt and the tool body a resilient intermediate layer can be disposed in the form of an endless belt.
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: August 25, 1987
    Assignee: Feldmuehle Aktiengesellschaft
    Inventor: Madzgalla, Hans-Georg