Patents by Inventor Robert M. Bolger

Robert M. Bolger 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).

  • Lawn mower blade with variable depth thatching device
    Patent number: 4610129
    Abstract: A combination lawn mower cutting blade and removable thatching devices with he thatching devices being selectively adjustable to vary the depth of thatching relative to the depth of cut of the blade.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: September 9, 1986
    Assignee: Universal Industrial Products Co., a Div. of Core Industries, Inc.
    Inventors: Robert M. Bolger, Neil L. Marko