Patents by Inventor Darrell Douglas

Darrell Douglas 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).

  • Locator for Dog Collar Transmitter
    Publication number: 20070056526
    Abstract: An electronic animal training system including locating functionality for locating a handheld transmitter of the electronic animal training system and associated methods are provided. The system generally includes an indicator mechanism associated with the handheld unit for providing a user perceptible indicator to facilitate locating the handheld unit. The system also generally includes an activator mechanism for activating the indicator mechanism. The activator mechanism may be associated with one or more of a training unit, a dedicated locator unit and the handheld unit. The activator mechanism may activate the indicator mechanism via wireless communication or via a motion sensor, among others.
    Type: Application
    Filed: March 17, 2006
    Publication date: March 15, 2007
    Applicant: Cabela's, Inc.
    Inventors: Jim Gianladis, Darrell Douglas, Kurt Grove
  • Handheld transceiver with display
    Patent number: D736486
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: August 11, 2015
    Assignee: Radio Systems Corporation
    Inventors: Brent Goetzl, Kevin Zinn, Aaron Russell, Darrell Douglas, Harri Piltonen
  • Pet boundary control panel
    Patent number: D985407
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: May 9, 2023
    Assignee: Radio Systems Corporation
    Inventors: Darrell Douglas, Jonathan L. Cornwell, Jr., John Spangler, Robert A. Nytko
  • Pet boundary collar receiver
    Patent number: D986512
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: May 16, 2023
    Assignee: Radio Systems Corporation
    Inventors: Darrell Douglas, Jonathan L Cornwell, Jr., John Spangler, Robert A Nytko
  • Pet boundary transmitter
    Patent number: D986753
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: May 23, 2023
    Assignee: Radio Systems Corporation
    Inventors: Darrell Douglas, Jonathan L. Cornwell, Jr., John Spangler, Robert A. Nytko