Patents by Inventor Lawrence K. Kishiyama

Lawrence K. Kishiyama 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).

  • Fireplace heat sink
    Patent number: 4328785
    Abstract: A fireplace grate having an upstanding frame supporting a basket a distance above the grate, without blocking the fireplace chimney, with the basket forming perforate reservoir filled with lumps of porous lava rock.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: May 11, 1982
    Inventor: Lawrence K. Kishiyama