Patents by Inventor James G. Conrad

James G. Conrad 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: 5979957
    Abstract: A plurality of essentially round wheel shaped magnets on an axle transverse to a handle. The magnets are polarized axially and positioned with like poles adjacent. The roller rake is rolled over a surface and sweeps a swathe clean of magnetically attractable debris. The roller rake is particularly suited for cleaning nails from grassy areas such as commonly found in re-roofing and other construction projects, and for sweeping large areas such as factory floors. The magnets are arranged to project a magnetic field before, under, and behind the operating head.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: November 9, 1999
    Assignees: Michael L Baxter, James Conrad
    Inventors: James G. Conrad, Michael L Baxter