Patents by Inventor Steven C. Garthwaite

Steven C. Garthwaite 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: 4873951
    Abstract: In a two-cycle internal combustion engine (2), the sidefaces (60, 62) of the connecting rod (48) have a polymeric material coating thereon, such as polytetrafluoroethylene, PTFE, providing a bearing between the sidefaces (60, 62) and the crankfaces (38, 40) of the crankarm discs (34, 36) of the crankshaft (24), to prevent galling and eliminate the need to silver plate the sidefaces (60, 62).
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: October 17, 1989
    Assignee: Brunswick Corporation
    Inventor: Steven C. Garthwaite