Patents by Inventor Hans O. Almovist

Hans O. Almovist 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: 5291880
    Abstract: In combination, a protective helmet including an outer shell and an inner impact shell, a protective facepiece, and interconnecting members for mounting the facepiece to the inner impact shell and for placing the facepiece into sealing engagement with the face of a wearer of the helmet.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: March 8, 1994
    Assignee: Cairns & Brother Inc.
    Inventors: Hans O. Almovist, Bengt Kjellberg, Benjamin Huey, Raymond E. Stevens, Jr., Ian Drummond