Patents by Inventor Joseph Robison

Joseph Robison 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).

  • TRIMMER WITH REPLACEABLE LINE CARTRIDGE
    Publication number: 20070214657
    Abstract: An improved line trimmer (10) for weed or grass cutting is provided which includes a operating head (16) having a rotatable housing (44) with cutting line outlet openings (68). A replaceable line cartridge (18) having a supply (118) of line (107) is mounted exteriorly of housing (44), and the free ends (120) of the line pass from the cartridge (18), through housing (44), and out the opening (68). Preferably, the cartridge (18) is mounted on an upright tubular drive shaft (42) coupled with housing (44), so that the line (107) may be threaded through the drive shaft (42).
    Type: Application
    Filed: May 21, 2007
    Publication date: September 20, 2007
    Inventor: Joseph Robison
  • TRIMMER WITH REPLACEABLE LINE CARTRIDGE
    Publication number: 20070074403
    Abstract: An improved line trimmer (10) for weed or grass cutting is provided which includes a operating head (16) having a rotatable housing (44) with cutting line outlet openings (68). A replaceable line cartridge (18) having a supply (118) of line (107) is mounted exteriorly of housing (44), and the free ends (120) of the line pass from the cartridge (18), through housing (44), and out the opening (68). Preferably, the cartridge (18) is mounted on an upright tubular drive shaft (42) coupled with housing (44), so that the line (107) may be threaded through the drive shaft (42).
    Type: Application
    Filed: October 4, 2005
    Publication date: April 5, 2007
    Inventor: Joseph Robison