Patents by Inventor Dale Boschke

Dale Boschke 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).

  • Monolithic metallic drive shafts which are resistant to corrosion and wear
    Patent number: 5499936
    Abstract: A monolithic metallic drive shaft for a marine propulsion device is disclosed which is resistant to corrosion. The drive shaft comprises proximal and distal end portions, each of which has a predetermined surface hardness. The surface hardness of one of the proximal and distal end portions is greater than the surface hardness of the other of the proximal and distal end portions.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: March 19, 1996
    Assignee: Outboard Marine Corporation
    Inventors: Kennedy K. McElroy, Jr., James Bonifield, Dale Boschke, Richard A. Krajewski