Patents by Inventor Maurice O. Christink

Maurice O. Christink 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).

  • Outboard motor service tank
    Patent number: 4033184
    Abstract: A see-thru portable collapsible outboard motor servicing tank with inlet, exhaust and drain fittings.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: July 5, 1977
    Inventor: Maurice O. Christink