Patents Assigned to Keystone Technologies, LLC
  • Patent number: 12340714
    Abstract: A sign cabinet, comprising: (a) a frame adapted to receive and support one or more graphics, the frame having sections defining a perimeter of the frame; and (b) a light assembly housed within the frame and adapted to illuminate the one or more graphics when located within the frame; wherein the frame is adapted for freestanding and suspended hanging.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: June 24, 2025
    Assignee: Keystone Technologies, LLC
    Inventor: Evan Michael Smith
  • Patent number: 11867364
    Abstract: Light emitting diode (LED) light tubes having rotatable end cap assemblies are described. The LED light tubes include a hollow tube and a circuit board with LED chips thereon. The end cap assemblies are provided on either end of the tube. Each end cap assembly includes a socket cap, a plug having a plug body and at least one connector, and an end cap body, one end of which engages one of the ends of the hollow tube. A cam locking mount that is positioned within the plug body and on the opposite side has projections to be positioned in the bore of the end cap body. A rotation cam is seated in the cam locking mount and provides for controlled rotation of the LED tube relative to the end caps. Methods of installing the LED light tubes in new installations and retrofit installations and for use in sign assemblies are also described.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: January 9, 2024
    Assignee: Keystone Technologies, LLC
    Inventors: Joshua David Brown, Evan Michael Smith
  • Patent number: 11466819
    Abstract: Light emitting diode (LED) light tubes having rotatable end cap assemblies are described. The LED light tubes include a hollow tube and a circuit board with LED chips thereon. The end cap assemblies are provided on either end of the tube. Each end cap assembly includes a socket cap, a plug having a plug body and at least one connector, and an end cap body, one end of which engages one of the ends of the hollow tube. A cam locking mount that is positioned within the plug body and on the opposite side has projections to be positioned in the bore of the end cap body. A rotation cam is seated in the cam locking mount and provides for controlled rotation of the LED tube relative to the end caps. Methods of installing the LED light tubes in new installations and retrofit installations and for use in sign assemblies are also described.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: October 11, 2022
    Assignee: Keystone Technologies, LLC
    Inventors: Joshua David Brown, Evan Michael Smith
  • Patent number: 11204136
    Abstract: Light emitting diode (LED) light tubes having rotatable end cap assemblies are described. The LED light tubes include a hollow tube and a circuit board with LED chips thereon. The end cap assemblies are provided on either end of the tube. Each end cap assembly includes a socket cap, a plug having a plug body and at least one connector, and an end cap body, one end of which engages one of the ends of the hollow tube. A cam locking mount that is positioned within the plug body and on the opposite side has projections to be positioned in the bore of the end cap body. A rotation cam is seated in the cam locking mount and provides for controlled rotation of the LED tube relative to the end caps. Methods of installing the LED light tubes in new installations and retrofit installations and for use in sign assemblies are also described.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: December 21, 2021
    Assignee: Keystone Technologies, LLC
    Inventors: Joshua David Brown, Evan Michael Smith
  • Patent number: 10883669
    Abstract: Light emitting diode (LED) light tubes having rotatable end caps assemblies are described. The LED light tubes include a hollow tube and a circuit board with LED chips thereon. The rotatable end cap assemblies are provided on either end of the tube. Each rotatable end cap assembly includes a socket cap, a plug having a plug body and at least one connector, and an end cap body, one end of which engages one of the ends of the hollow tube. A cam locking mount is positioned within the plug body and on the opposite side has projections to be positioned in the bore of the end cap body. A rotation cam is seated in the cam locking mount and provides for controlled rotation of the LED tube relative to the end caps. Methods of installing the LED light tubes in new installations and retrofit installations and for use in sign assemblies are also described.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: January 5, 2021
    Assignee: Keystone Technologies, LLC
    Inventors: Joshua David Brown, Evan Michael Smith
  • Patent number: D1055737
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: December 31, 2024
    Assignee: Keystone Technologies, LLC
    Inventors: Evan Michael Smith, Joel Shumsky
  • Patent number: D1095932
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: September 30, 2025
    Assignee: Keystone Technologies, LLC
    Inventor: Evan Smith