Patents by Inventor Michael G. Linn

Michael G. Linn 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: 4133144
    Abstract: A soft abrasive tool is disclosed as comprising a solid molded mixture of edetermined quantities of an aluminum wool material and a catalyst setting elastomeric polyurethane binder material, the unique combination of which has been mixed, molded under pressure, and cured at room temperature in such manner as to have a disc-like, cup-like, or other predetermined geometrical configuration. A power source -- such as a motor or the like -- may be used to mechanically drive the aforesaid soft abrasive tool, so that it will cut, grind, and remove polyurethane paint, polysulfide sealant, and other soft coatings from aluminum aircraft skin without damaging the substrate aluminum thereof when held thereagainst.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: January 9, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William E. Early, Michael G. Linn