Patents by Inventor Edgar L. Parks

Edgar L. Parks 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).

  • Low profile ventilating hatch
    Patent number: 4307655
    Abstract: A low-profile ventilating hatch for boats, buildings, etc. formed from two nested thermoformed sheets defining therebetween a tortuous air path for below decks ventilation while dust and moisture are trapped and led outwardly through drains. The overall height is remarkably low so as not to impede personnel or equipment, while structurally rigid for rough usage, including walking thereon.
    Type: Grant
    Filed: February 6, 1980
    Date of Patent: December 29, 1981
    Inventors: Edgar L. Parks, Greig H. Parks
  • Ventilating hatch
    Patent number: D266923
    Type: Grant
    Filed: February 6, 1980
    Date of Patent: November 16, 1982
    Inventors: Edgar L. Parks, Greig H. Parks