Patents by Inventor Lawrence E. Halsten

Lawrence E. Halsten 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: 3959954
    Abstract: This mower consists of a cylindrical housing having a power shaft therein carrying a cutting blade at the lower portion of the housing and having mounted on said shaft above said cutting blade in the upper portion of said housing a plurality of pulverizing members which pulverize the grass, leaves and other material drawn into the housing and the upper portion of said housing has an apertured wall through which said pulverized material is discharged.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: June 1, 1976
    Inventor: Lawrence E. Halsten