Patents by Inventor Brian Lee Challis

Brian Lee Challis 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).

  • Grip panel bushings for firearm
    Patent number: 9915489
    Abstract: A bushing for mounting a grip panel to a firearm is provided. The bushing has a torquing surface distributed about the head of the bushing to provide improved torque and alignment for the bushing as it is assembled and disassembled into the firearm frame. The bushing may include an O-ring on the bushing itself and an additional O-ring fitted on the grip screws. The bushings and tools for replacing the OEM bushings may be provided as part of a kit.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 13, 2018
    Inventor: Brian Lee Challis
  • GRIP PANEL BUSHINGS FOR FIREARM
    Publication number: 20170191772
    Abstract: A bushing for mounting a grip panel to a firearm is provided. The bushing has a torquing surface distributed about the head of the bushing to provide improved torque and alignment for the bushing as it is assembled and disassembled into the firearm frame. The bushing may include an O-ring on the bushing itself and an additional O-ring fitted on the grip screws. The bushings and tools for replacing the OEM bushings may be provided as part of a kit.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 6, 2017
    Inventor: Brian Lee Challis
  • Grip panel bushings for firearm
    Patent number: 9638491
    Abstract: A bushing for mounting a grip panel to a firearm is provided. The bushing has a torquing surface distributed about the head of the bushing to provide improved torque and alignment for the bushing as it is assembled and disassembled into the firearm frame. The bushing may include an O-ring on the bushing itself and an additional O-ring fitted on the grip screws. The bushings and tools for replacing the OEM bushings may be provided as part of a kit.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: May 2, 2017
    Inventor: Brian Lee Challis
  • GRIP PANEL BUSHINGS FOR FIREARM
    Publication number: 20160061561
    Abstract: A bushing for mounting a grip panel to a firearm is provided. The bushing has a torquing surface distributed about the head of the bushing to provide improved torque and alignment for the bushing as it is assembled and disassembled into the firearm frame. The bushing may include an O-ring on the bushing itself and an additional O-ring fitted on the grip screws. The bushings and tools for replacing the OEM bushings may be provided as part of a kit.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 3, 2016
    Inventor: Brian Lee Challis