Patents by Inventor Gregory J. Roszkowski

Gregory J. Roszkowski 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).

  • Disposable cutting edge
    Patent number: 4445315
    Abstract: A disposable cutting edge to be installed upon a lawn mower rotor and an audible tone generator to warn the operator when the disposable cutting edge is not properly installed. A disposable cutting edge providing a quick and safe snap-on/snap-off installation/removal upon a specially constructed rotor containing an edge positioning sensor, and capable of generating an audible alarm.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: May 1, 1984
    Inventor: Gregory J. Roszkowski