Patents by Inventor Jarmo Salmenmaki

Jarmo Salmenmaki 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: 5233808
    Abstract: The interior of a building having a framework composed of vertical structural elements and horizontal floor levels is constructed by installing prefabricated room units, each having walls and a ceiling, in the framework. The room units are sized and positioned so that a sound insulating air gap is formed between the ceiling of each room unit and the building framework.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: August 10, 1993
    Assignee: Masa-Yards Oy
    Inventors: Jarmo Salmenmaki, Jarmo Wacker