Patents by Inventor Donald Custer, Jr.

Donald Custer, Jr. 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: 5146904
    Abstract: An internal combustion engine comprising structure defining a combustion chamber, structure defining a fuel/air chamber adapted to communicate with a source of air under pressure, structure defining an air chamber, structure for opening the fuel/air chamber to the combustion chamber in response to communication of the air chamber with the air source, structure for effecting communication between the air chamber and the air source in response to delivery of fuel to the fuel/air chamber, and selectively operable structure for delivering fuel to the fuel/air chamber.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: September 15, 1992
    Assignee: Outboard Marine Corporation
    Inventors: Jeffrey A. Olson, Donald Custer, Jr.